Monster is one of the antagonists of the base game of Friday Night Funkin'.
Monster has a very minor role in the Friday Night Funkin' Logic series, he only makes a cameo in Friday Night Funkin Logic: Tankman as a photo, Player mentions that he wasn't hard to defeat. He also was in ORIGIN of EVIL BOYFRIEND... Friday Night Funkin' Logic for a short moment, but we didn't saw his face. He was in RETURN of EVIL BOYFRIEND... Friday Night Funkin' Logic and talked for the first time.