15 Video Game Heroes Who Became Villains 

Super Mario – Donkey Kong Jr.

It’s hard to imagine Mr. Nintendo himself ending up on a list of villains, but like a lot of stars that rose to prominence in the 80’s, he’s done a few things in the past he’s not too proud of. Mario took a starring role as the antagonist of Donkey Kong Jr, where he locked up the big ape. When the young gorilla wanted nothing more than to free dear old dad, the then carpenter took to having animals attack the adolescent orangutang. Having your trained pets attack a child? That’s not very super there, Mario.