He is a purple dinosaur that has his own show called Barney and Friends by PBS Kids and HIT Entertainment.
In SMG4's universe, however, he made his first and cameo appearance in Super Mario 64 Bloopers: Bloopception. He also had a cameos in R64: Freddy's spaghettiria, R64: Return to Freddy's Spaghettria, SM64 Bloopers: Super Cavemen Bros., and SMG4: Stupid Mario Odyssey 2. He has more cameos in SMG4: Stupid Mario World and SMG4: The Melancholy of Fishy Boopkins. Also, another person from SMG4: If Mario was in... Deltarune was mistaken by Mario to be Barney.
- Super Mario 64 Bloopers: Bloopception
- Guards N' Retards: Prisoners
- R64: Freddy's spaghettiria
- R64: Return to Freddy's Spaghettria
- SM64 Bloopers: Super Cavemen Bros.
- SMG4: Mario VS Donkey Kong
- If Mario was in... Cuphead
- SMG4: Stupid Mario Odyssey 2
- SMG4: Stupid Mario World
- SMG4: Mario Battle Royale
- SMG4: Mario's Fancy Dinner
- SMG4: Mario The Scam Artist
- SMG4: The Melancholy of Fishy Boopkins
- SMG4: Mario Waits in Line For Some Spaghetti
- SMG4: Super Mario Taxi
- SMG4: If Mario was in The Sonic Movie
- SMG4: War Of The Fat Italians 2020
- SMG4: If Mario was in... Fall Guys
- SMG4: Nintendo Gets Deleted
- Susan Wojcicki can transform into a being resembling Barney with her hairstyle, as shown in SMG4: Mario VS Youtube.
|"I have absolutely no idea what's going on."|