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SuperLuigiGlitchy4 (or SLG4 for short) was said to be the long lost hobo brother of SMG4.


Super Mario 64 Bloopers: Sup' Bro?

SMG4 meets SLG4 after buying Mario spaghetti. SLG4 was living in a dumpster with a goomba. SLG4 followed SMG4 back to the castle in the form of hiding in the back of SMG4's car. While SMG4 is hiding in the back part of the castle, SLG4 enters the castle and reveals his name. SMG4 begins to wonder if SLG4 is his brother and has Dr. Mario test their DNA. Two hours later, Dr. Mario confirms that the two are brothers, after saying that Toad is "the father," however later SLG4 tells Mario that he is not anyone's brother. After Mario discovers this SLG4 begins intentionally harming SMG4, Mario eventually runs away from the castle since SMG4 didn't believe that SLG4 was evil and finds SLG4's old dumpster. In the dumpster Mario finds a photo depicting SLG4 with SMG3 looking like they're best of friends. From this it is concluded that SLG4 is working with SMG3. Mario rushes back to the castle to show SMG4 but only finds SLG4. SLG4 attempts to stop Mario, but gets crushed by a Thwomp. SLG4 had already trapped SMG4 in a cage. In the end, Mario messes with the cannon and launches SLG4 into oblivion where he explodes.

SMG4 Christmas Special 2021

SLG4 reappeared again as a Mario recolor that lives in Bloopersville. After Mario gave weapons as presents to all the recolored that got wronged by SMG3, he joined the crowd who pursued SMG3.

Color code

SLG4's color code is the opposite of SMG4's, except for the original white gloves and brown shoes. Unlike SMG4, SLG4 has a white cap, a white shirt, and blue overalls.  He has the standard "M" on his hat like most of the Mario Recolors.



  • His clothes texture coincidently looks A LOT like the X'Trapolis Modular trainsets used by two commuter rail systems used in Chile: Metrotrén Nos in Santiago, and the Valparaíso Metro in Valparaíso.
  • He claimed to be no one's brother, but since Dr. Mario said that SMG4 and SLG4's DNA matched, this is most likely untrue, and must mean that he is SMG4's evil younger brother. Though this could've also been a mistake as Dr. Mario is a fake doctor.
    • There is more evidence that SLG4, and SMG4 are not related. As seen in SMG4's origin story.
    • This was confirmed in SMG4 Christmas Special 2021 where SLG4 appeared again and doesn't seems to acknowledge SMG4 as his brother and start hunting SMG3 who in his previous appearance were friends.
      • SLG4's code was likely used as a random citizen rather than the person himself.
  • In the video "Sup' Bro?" SLG4 states that his family are gorillas.
  • Some SMG4 fans believe that SLG4 was Kevin Lerdwichagul.
    • This was proven false as SLG4 is just a character made by Dshaynie
  • In SMG4 Mail Time, Luke Lerdwichagul confirms that SLG4 died to that explosion at the end of "Sup' Bro?".
    • This may have been retconned later on since he appears in SMG4 Christmas Special 2021.
      • It is also likely that SLG4's color code was just used as a random guy.
  • In Weegeepie's videos, SLG4 is shown as a recurring character, no longer working for SMG3 and often appearing in the castle to play games with Luigi. This implies that, at least in that channel, he did not die after being launched out of the cannon by Mario 9 years ago.
    • However, Weegeepie's videos aren't canon to the SMG4 series.
  • Considering real meaning of SMG, it's make question what "SLG4" actually means. It's highly probable that "SuperLuigiGlitchy4" was made up based on the assumption that "SMG4" stood for "SuperMarioGlitchy4."
  • Despite being a Mario recolor, some fans represent him as a recolor of Luigi. The reason is because Luigi is the brother of Mario and SLG4 is the so-called brother of SMG4.


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