|Residence||Desert side of Endsville|
|Real world information|
|First appearance||Which Came First?|
The Mutant Chickens are a species found in the rural side of Endsville. They are first seen in the episode of Which Came First? In the episode, the students of Endsville Elementary School take a field trip to the rural, desert side of Endsville in which they soon encounter the mutant chickens. They are also a playable extra character in the video game, The Grim Adventures of Billy and Mandy Video Game and Cartoon Network: Punch Time Explosion.