The character of Mokey comes from 'Mokey's Show,' an animated series created by Sr Pelo known for its exaggerated and humorous portrayal of Mickey Mouse with simple and crude animations.
'FNF vs Mokey the Mouse' is a mod for the popular rhythm game 'Friday Night Funkin'' (FNF) that features Mokey the Mouse, a character based on a parody version of Disney's Mickey Mouse.