Luigi's Payback is the 15th Blooper made by Supermarioglitchy4. In this blooper, Luigi is sick of Mario making fun of him and calling him gay so with the help of Bowser (who also thinks Luigi is gay), he tries to kill Mario.
Mario is stupid, because he still does not know how much is 1 + 1
Mario and Luigi sometimes keep talking in their natural language: Italian
Luigi will not want to admit he's gay,anyway, Mario and Bowser know about his true sexuality.
Luigi has a gun
This is the first time Luigi'a Super Mario 64 model is shown.