watch 01:38 The Loop (TV) Do you like this video? The contents of this article or section are considered to be non-canon and therefore may not have actually happened/existed. Mutant Skinner is the mutated alter-ego of Seymour Skinner. History In the first segment of "Treehouse of Horror VIII", Skinner is one of the people who survived the nuclear explosion but is turned into a horrifying mutant as a result. Retrieved from "https://simpsons.fandom.com/wiki/Mutant_Skinner?oldid=883103" Categories: Male characters Alive characters Characters Characters Portrayed by Seymour Skinner Treehouse of Horror characters Season 9 first appearances Monsters Alter-Egos One-Time Characters Principal Skinner Characters voiced by Harry Shearer Homer's enemies Gray Haired Characters Villains Non-canon characters American Characters Community content is available under CC-BY-SA unless otherwise noted.