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I promise to be a responsible father from now on!

—Bowser to Bowser Jr. and the Koopalings in SMG4: Bowser Loses Custody Of His Children

King Bowser Koopa is a major protagonist in the SMG4 series, serving as of the two main antagonists (alongside SMG3) of Season 1, the tritagonist of Seasons 2 to 6 and a supporting character in following seasons.

He is the king and leader of the Koopa Troop army, the former arch-enemy of Mario and the neglectful but also good father of Bowser Jr. and the Koopalings. He constantly aims to kidnap Princess Peach due to an obsession with her, and sometimes tried to rule over the Mushroom Kingdom in the earlier seasons. However, Peach sometimes prefers to be kidnapped rather than dealing with chaos caused by other characters (mostly Mario). As the series went on, he developed a love-hate relationship with Mario and SMG4's Gang, often joining them in their adventures, but still sometimes appears in less malicious antagonistic roles.



As revealed in SMG4: SMG4's Origins, Bowser had the same life and personality as his mainstream self, being a malicious king who wanted power and was obsessed with kidnapping Princess Peach, which results in clashes with the Mushroom Kingdom's designated hero Mario. When SMG4 arrived to the Mushroom Kingdom in his Guardian Pod, Bowser witnessed Mario new-found stupidity due to the USB, which also zapped and altered Bowser. One day, when SMG4 was recording a video of Bowser and Mario, they witnessed the arrival of SMG3 in his own Guardian Pod.


Bowser debuted in the SMG4 series in Super Mario 64 Bloopers: Dreams, where he was visited by Mario in his lair while he was "uselessly" standing trying to think of an idea, right as Mario fell asleep. In his dream, Bowser was huge, and after being woken up, Bowser killed himself since Mario wasn't going to fight properly.

In the earlier seasons, Bowser had been kidnapping Peach due to be obsessed with her and trying conquer the Mushroom Kingdom. He teamed up with SMG3 as partners in villainy for a few years, but they eventually separated. Starting from SMG4 Season 4, Bowser and Mario put aside most of their differences and became friends, even becoming part of SMG4's Gang, though he still did villainous acts, mainly kidnapping Peach. While growing more soft over the years, he also made a cooking show with Mario as well as started neglecting Bowser Jr. and the Koopalings.

The Waluigi Arc

In SMG4: Mario And The T-Pose Virus, Bowser became part of the T-Pose Zombies that were chasing after Mario and Luigi. in Peach's Castle. The Bros. then headed up the roof. Even when the Bros. broke down the door to the roof, Luigi was caught and became infected by the T-Pose Virus. When the T-Pose zombies were cornering Mario, Peach unexpectedly showed up in a helicopter and shot 1-Up Mushrooms at the T-Pose zombies, which turned them back to normal, with Bowser wondering what was going on.

Once all the T-Pose zombies were back to normal, the helicopter landed on the roof and Peach revealed the source of the virus was a T-Pose Shroom. She then furiously asked who idiotically ate it, causing everyone to look at Shroomy, who recounted how he became a T-Pose zombie. He explained that Waluigi ordered Shroomy to eat one.

Bowser and Meggy Spletzer suggested finding and beating up Waluigi. Fishy Boopkins though suggested that they should look at his card collection, causing Mario to ask who wanted to do anything but Boopkins' suggestion, causing everyone else to cheer for Mario's decision. They quickly boarded the helicopter and left Boopkins.

In SMG4: The Mario Café, Bowser opened a new café, the Koopa Café, with him announcing that the café was now open for business. Kamek noticed that no one else was around and tried alerting Bowser to it but the Koopa King took no heed as he was too engrossed with announcing the opening.

When he realized there were no employees, he asked Kamek where were they, which he responded that it was what he was trying to tell him too. He also said that it was because Mario squished all the employees. Realizing that having no employees meant he could not have a café, Bowser broke down on the floor crying. Kamek, wanting to ensure that Bowser was happy, told him that he would get new employees and flew off.

Kamek brought in Mario, SMG4, Saiko Bichitaru, Luigi and Toad. Kamek then informed Bowser that he had gotten him the employees per his request. Bowser naturally became happy.

In the café, Bowser assigned everyone their roles: SMG4 as the barista, Toad as the cashier, Luigi and Saiko as the waiters, Bowser as the head chef and Mario as the assistant chef. Bowser asked if they were all ready but everyone shown were not. He told everyone to get ready for the first customer, which was Shroomy. Luigi brought Shroomy's order to Bowser. Unfortunately, Bowser was out of eggs as the delivery never came, so Mario had to find new eggs fast.

As Shroomy contemplated the taste of his meal, Mario and Bowser looked at each other nervously. Fortunately, Shroomy enjoyed his meal.

Suddenly, a huge crowd appeared outside, looking for a meal, concerning everyone except Bowser, as that meant more customers.

The café was suddenly a ruckus. Bowser was struggling to make the orders. Bowser then heard people complaining about the service and leaving. That caused him to be so heartbroken that he had a heart attack and passed out.

Bowser woke up from his coma and said they needed a team-based system. Bowser insisted that putting their strengths into the correct roles would help. Everyone emerged from the meeting room, ready to get back in business.

Mario used a golf club to swing several pieces of food, which Bowser instantly cooked with his fire breath. Bowser was overjoyed as his café was finally running smoothly, and played the Car Rap instrumental to celebrate.

In SMG4: The Mario Convention!, Bowser was running the Sci-Fi booth in Glitchcon with a Darth Vader helmet on. When he was visited by the Mario Bros., Mario was not intimidated (probably due to his bad mood) and thought Bowser was dressed as a Pokémon.

Bowser insisted that he was not, and Luigi and Mario started looking at the stuff Bowser had in his booth. Mario then found a lightsaber, although he didn't know what it was. He began tossing it around despite Bowser saying that it was a real lightsaber, inadvertently activating it and making the blade go through Bowser's hand. Bowser stared at the blade for a few seconds before yelling in pain, much to Mario's amusement.

Bowser was among the crowd that got transformed into T-Pose zombies. At night, Waluigi announced his plans to his minions (including Bowser) to make the world feel the rejection he felt.

In SMG4: Mario and the Waluigi Apocalypse, at the ruined convention, Tari distracted Bowser, Luigi, and Shroomy with a rubber duck, but was later noticed by them and Master Hand.

When Mario and SMG4 infiltrated the convention, Waluigi mocked them at their effort, as well as Bowser, Luigi, Meggy, and Shroomy for being idiotic guards. Waluigi's set was complete and was ready to show the world what true rejection feels like.

In SMG4: War Of The Fat Italians 2018, Bowser was being controlled by Waluigi during the challenges.

Challenge 3: Steal Bowser's chicken nuggets without getting caught

The third challenge, "Who can steal Bowser's chicken nuggets without getting caught?", suggested by @MarvinComix on twitter, had the two of them try to steal Bowser's chicken nuggets without getting caught. SMG4 tried to use a Minecraft fishing rod to steal Bowser's nuggets, but pulled Bowser Jr.. That caused Bowser Jr. to scream out, distracting Bowser into finding out where was the noise. Mario exploited that situation by dressing up as Bowser Jr., and taking Bowser's nuggets. However, Bowser then turned around to see that Mario was stealing his chicken nuggets and said he could not take them while doing a parody of Johnny Johnny Yes Papa. After a while, Mario made a run for it with the nuggets. Bowser chased after him hoping to grab him, but instead grabbed Bowser Jr. who was still recovering from his injury, saying he would give him "seven across the ass!".

Challenge 10: Last longer in a match of "Super Smash each other in the ass brothers" against Tari?

Due to the Staff of Rejection being destroyed, all of the T-Pose Zombies returned to their normal states. The rest of SMG4's Gang celebrated.

The battle was not over, though. Waluigi challenged everyone to a rap battle.

Suddenly, Wario joined in the rap and in it, he apologized to Waluigi for always being an asshole.

The whole cast watched SMG3 giving therapy to Wario and Waluigi, helping them reconcile. Moved, everyone to be happy. SMG4 was happy that everything turned out to be okay but Mario realized that the Mushroom Kingdom was still destroyed. Since nobody seemed interested in restoring the kingdom, Tari suggested playing some more video games, to which everyone all happily agreed to.

The Rapper Bob Arc

In SMG4: Mario And... The Well, Bowser saw Mario, SMG4 and Luigi trying to get Boopkins out of a well, with Luigi trying to use his Poltergust 3000 to suck him out, but to no avail. Bowser showed up and told Luigi he needed to be closer before grabbing the green-clad plumber by the legs and dangling him in the effort to reach Boopkins, but the well was still too deep.

Jeeves and Shroomy came by and lowered a rope down to the little green Spike. Jeeves said he would round everyone up and they would pull him out. Bowser, Luigi, SMG4, Mario, Tari, Jeeves, and Shroomy pulled as hard as they could, and things were finally looking up for Boopkins. However, Mario noticed a shiny quarter on the ground, and he just could not resist. Unfortunately, in the two seconds he went to grab it, everyone else lost support as Boopkins fell to his doom within the well and died, or so everyone thought, as they were seen visibly upset while Toad acted as the officiant for Boopkins' "funeral", despite Boopkins' sudden claim that he was still alive.

Bowser watched the attempts of the Woomy Brigade and various other people, until Bob Bobowski arrived in a helicopter and lowered a ladder into the well, allowing Boopkins to climb out at last. Everyone cheered for Bob and his selfless deed and watched the duo fly off into the sunset.

In SMG4: Mario and the Bob Mansion..., Mario, SMG4, Boopkins, Meggy, Bowser, Tari and Saiko arrived at Bob's Mansion. Bob invited them to his new mansion to celebrate the first-ever "Bobsgiving" day, which was just Thanksgiving with a Bob spin. Bob arrived in shades and thanked everyone for coming to celebrate Bobsgiving (despite Bowser's correction).

After Bob guided everyone to the dining room, he proceeded to commence the feast, but the turkey was still alive. Bowser facepalmed and told Bob he needed to cook it first. Bob, who had somehow forgotten about it, then produced a shotgun, but Bowser said that he would do it himself, without the shotgun. Bob asked Meggy to go help Bowser cook.

In the kitchen, Meggy confessed to Bowser (who was joyfully chopping vegetables) that she was not a great cook. Bowser simply said "Nonsense! Anyone can cook!" and pulled out a prepared turkey he brought beforehand just in case. He asked Meggy to paint it in cooking oil, but Meggy was shocked at the request, particularly when Bowser said "paint. "As soon as he questioned his choice words, Meggy went ballistic with the paint, firing her Splattershot, whacking the turkey with her Splat Roller, throwing Splat Bombs, riding an Ink Missile, and wielding a Heavy Splatling and Hydra Splatling at the same time, all while the Koopa King just stared with a dumbfounded expression. Despite all the chaos, the turkey was painted completely in the cooking oil. However, there was too much of it, and before Bowser could stop her, she put it in the oven and turned it on, claiming cooking was easy before accidentally starting a fire.

SMG4 came into the kitchen and witnessed a huge fire, a panicked Bowser, and a supposedly innocent Meggy. Everything started going downhill fast. Bowser found one despite these claims and yelled: "TIME TO DIE FIRE". However, not only did he held the nozzle the wrong way, which would not have sprayed the foam at the fire but also, it turned out Bob was right, in this case with the "fire extinguisher" actually being a flamethrower in disguise. Being on fire, Bowser ran around the entire room screaming, setting it on fire.

SMG4 tried to save Bowser with a watering can, and he later ran out.

Bob's mansion finally came crashing down. Bob's guests were sprawled around the foundation, and the turkey amazingly survived the wreckage, fully cooked. Bob told everyone to dig in. Bob said he could always buy a new house with his money, but he could not buy awesome friends to celebrate Bobsgiving with like them. Bob spoiled the moment, however, when he said this would make a great sob story for MTV, much to everyone's displeasure. Bob then quickly reassured them it was only a joke.

Despite everything that happened, everyone was happily enjoying themselves now. Mario, Bowser, SMG4, and Boopkins were eating their turkey.

In SMG4: The Melancholy of Fishy Boopkins, inside Peach's Castle, Mario and the gang were playing Super Smash each other in the ass bros Ultimate until SMG4 entered, telling everyone about Boopkins' plight. As a result, the gang started arguing over how to make Boopkins better, which culminated into a fight. SMG4 angrily broke up the fight and told everyone to do it their own way. They accepted.

Bowser entered SMG4's room with rocks for Boopkins to eat and was unaware of what SMG4 unleashed into the room beforehand. The Koopa King was taken by the memes storm and SMG4 closed the chest of cancerous memes on them without knowing that Bowser was caught in the memes.

In SMG4: Mario and The Diss Track, at Peach's Castle, everyone was doing their usual hobbies, until Luigi burst through the door carrying awful news. Luigi explained that Bob had skyrocketed to fame, but the others (except Boopkins) thought he was just jealous of the Garo's success. But when they decide to watch one of his concerts on Live TV, however, Luigi's fears were confirmed when the concert, called the Ultimate Diss Track, showed nothing more than Bob hurling hurtful insults at his former friends (calls Toad and Bowser a waste of space), claiming they made his life miserable and ended the rap by lying that it was all true. They were deeply offended, horrified, and angry at Bob for humiliating them. Luigi then decided to tell the gang all about the cruel things that Bob did.

The gang was formulating a plan to get revenge on Bob. Luigi then came back with Saiko. When the gang welcomed her, Saiko suggested an idea in order to teach Bob a lesson he would not forget.

They made a rap called Darkest Hour, where Luigi, Tari, Bowser, Boopkins, and Toad helped film and set up the rap. Their song (which revealed all about Bob's cruel acts) did so well that Bob lost his fame and all of his fans to Saiko.

Realizing his fame and life had been destroyed beyond repair, Bob saw his friends inside a store and attempted to reconnect with them, only for them to shrug him off and turn back on him on retribution for humiliating them all.

In SMG4 Christmas 2018: The Most Important Thing, the gang were all having a good time until Bob crashed through the castle's window, crushing Bowser in the process. He presented to them golden statues of themselves that he bought with what was left of his money but they were not interested.

Apparently, Bob tried to connect with them but they had igroned him. Bob repeatedly asked them to notice him. Soon, Mario had enough, releasing his extreme anger. Soon the others chimed in, with SMG4 explaining that they did not trust Bob anymore for using them just to gain fame and ordered him to get lost. Realizing his rap career (the diss track especially) had caused his friends to now hate him with a burning fire, a depressed Bob agreed to leave them alone, dumping his Santa Claus costume and leaving the castle.

At a shopping mall, Shroomy came out happy that he was no longer a robot, only to accidentally fire eye lasers at a heavy theater sign, which proceeded to crush Bowser (who was using a wheelchair).

They suddenly heard some rapping in the distance, who turned out to be Bob. Bob eventually ended the rap and then announced that it was his last rap song and that he was retiring to be with his friends. His fans felt betrayed and protested his decision, but his friends (Boopkins especially) were very pleased, if not initially shocked, with his decision.

As Bob was in his home enjoying his former life, his friends all gathered around him to celebrate Christmas with him. When Bob opened his gift, it was a picture of them with Bob taped to it. That resulted in the other characters opening their presents: Bowser got a Super Crown (although he had flashbacks to the Bowsette meme).

The Anime Arc

In SMG4: Final Hours, Bowser attended Desti's funeral.


Bowser was kidnapped by SMG3 to be a guest speaker in Dr. SMG3. They were discussing his issues with Bowser Jr., which resulted in Bowser Jr. torching Bowser. Dr. SMG3 was eventually cancelled. He lost custody of his children due to his neglectfulness but eventually earned them back, but once again started neglecting them, though he still wanted to spend more time with them.

In SMG4 Movie: Meggy's Destiny, Bowser, Shroomy, Saiko, Toad, Axol, Bob, and Boopkins watched the Splat Squad training from the bleachers.

Afterwards, the entire group then went to Meggy's apartment for a pre-competition party.

At the party, they were about to play "Pin The Tail On The Boopkins", a game that Boopkins absolutely hated because it involved harm to him.

Bowser and his friends watched the Splat Squad win the first, lose the second, but then they were brought back due to the Ink Brigade cheating, and won the final round of Splatfest.

Then, the gang excitedly ran on the battlefield, and hoist all the team members up into the air and catch them. Bob announced a party at Meggy's apartment. Everyone excitedly headed over.

At the party, they were, once again, going to have a tail pinned to Boopkins' butt.

When Anti-Shroomy was accidentally unleashed by Bob, he believed Bowser to be the queen of all demons and burned him alive.

The YouTube Arc

In SMG4: Mario Gets【Woke】, Mario tried the YouTube Remote on random people. First on Bowser and Bowser Jr. with the speed up and the normal speed function. Eventually, time was temporarily paused. Dr. Kawashima undid all of the damages Mario had done.

In S̶M̶G̶4̶: I Can't Believe It's Not SMG4!, Bowser watched SMG3's play.

In SMG4: Deleted, Bowser got shot by Anti-Shroomy with a rocket launcher.


Bowser and Mario made the last episode of their cooking show.

Genesis Arc

In SMG4 Movie: 10 Year Anniversary Special, SMG4 made a party to celebrate the 10 year anniversary of his channel and invited friends, memes, and even his enemies from the past and present, with SMG4 inviting SMG3 and his dead memes as well, despite the latter's warnings. After the party, the dead memes became corrupted, forcing the gang to fight. In spite of their best efforts, they lost, forcing them to barricade in the castle and SMG4, SMG3 (who became the lord of the Internet Graveyard), Mario, FightingMario54321 and Nintendofan997 were abducted.

The rest of the gang managed to escape the castle with the help of Hobo 1 and Hobo 2, who they were trying to get SMG4's attention to warn them about SMG0, an extraterrestrial virus that was dangerous to life and must be contained, and that they had escaped before until SMG0 followed them. Hobo 1 and Hobo 2 proceeded to tell the only way to defeat it by using a Guardian Pod, USBs that both SMG4 and SMG3 (who were in the Dark Web at this point) used to arrived in the Mushroom Kingdom. SMG3, through the live stream, told them they could use his Guardian Pod. Bowser overheard Hobo 2 mentioning an avatar.

Fortunately, the gang managed to arrive at SMG0's Cathedral (where Mario, SMG4 and SMG3 were held captive) just in time with SMG3's Guardian Pod. The gang fought off the zombified Mario Recolors while the Hobos (who revealed themselves to be SMG1 and SMG2) contained SMG0 within the USB, while also getting themselves sucked in as well. After Mario was saved, the gang deducted that he was the avatar SMG2 was referring to.

Soon, the Mario Recolors were brought back to life by SMG3's USB, now living in the established township of Bloopersville. With peace returned, SMG4, FM and X turned the corrupted memes back to normal and SMG3 returned to the Internet Graveyard with them. The gang relaxed on the top of Peach's Castle while reflecting on all that has happened.


Bowser differs greatly from the rest of the Koopas, who appear mainly as bipedal tortoises. His iconic features include a large, spiked shell, horns, razor-sharp teeth, and a shock of red hair. In addition, while most Koopas appear to be herbivorous and prefer fruits and vegetables as their diet, Bowser, due to his sharp teeth, prefers meat, particularly from victims he hunts down and captures, though he has, on occasion, consumed vegetation, as well. He is physically powerful, can breathe fire, and is said to have skills in black magic.

Bowser's physical size tends to vary from mainstream game to mainstream game. In most games, he is very large, presumably standing more than eight feet tall but there are exceptions.


Prior to being zapped by SMG4's Guardian Pod, Bowser was exactly like his mainstream self, persistently and repeatedly kidnapping Princess Peach as well as opposing Mario. Even after being zapped, he retained most of his original personality for Seasons 1, 2 and 3 of the SMG4 series.

However, starting from SMG4 Season 4, Bowser began to like Mario, and much of his personality appears to influence Bowser, making him act in a rather silly and quite retarded way. While still trying to kidnap and/or win Peach’s heart, his motivations became much more silly and friendly around most other people, as he’s shown to get along with most people in Peach's Castle.

He is shown to care for Bowser Jr. and the Koopalings. His New Years' Resolution was to try to be a better father for them. However, he isn’t very good at taking care of his kids, as shown when he destroyed Bowser Jr.'s gaming system in rage and neglected Bowser Jr. over a bouncy house in SMG4: Stupid Mario World. He is less antagonizing than he used to be. Bowser also sometimes acts like a child and a coward.

Powers and Abilities

Fire Breath:Bowser can breathe fire much like his nintendo counterpart.

Racing Intuition:He is also apparently a good racer, as he was able to outlast most of the other racers in R64: Stupid Mario Kart. However, he was eventually defeated alongside Mario when Fishy Boopkins spread banana peels across the track and his kart fell on top of him, and later by Link when he blew him into a pit of lava.

Healing:His player character in Mushrooms & Morons was a medic, with magical healing powers.

Fury Form:In SMG4: Stupid Bowser's Fury, he turned into Fury Bowser after getting pissed off by Bowser Jr.'s play. In this form, Bowser used stronger versions of his normal abilities and can also spit out black goop to render objects useless. The angrier he became, the larger he would be. Once defeated, he would have no memory of the very thing that made him mad in the first place.


  • Sensitivity: Despite being very strong, Bowser is mentally weak, and can become very depressed if insulted. He also seemed to be a frequent victim of torture in SMG4 Season 10. He is especially sensitive when anyone points out that he's a horrible father, which usually ends with him running off crying.
  • Low Versatility: Bowser has had his fair share of beat downs, such as numerous attacks from Princess Peach as well as being slapped into far distances. He had even shown to back down from fights from people like Luigi in SMG4: High School Mario and Anti-Shroomy, showing that he tends to flee from those who are deemed bigger threats than him.

Criminal Record


GMOD models



v - e - d SMG4 characters