watch 01:21 The Loop (TV) Do you like this video? Mutant Peacocks are mutated Peacocks at the Zoo. History Bart got thrown into there exhibit by David. Bart thought they were normal, but they attack him. Appearances Episode – "Treehouse of Horror XVI" Video game – Tapped Out Retrieved from "https://simpsons.fandom.com/wiki/Mutant_Peacock?oldid=878230" Categories: Fictional Characters Animals Non-canon characters Treehouse of Horror characters One-Time Characters Minor Characters Community content is available under CC-BY-SA unless otherwise noted.