El Pollo Loco is a Mexican fast food restaurant introduced in the episode, "The Last of the Meheecans" where Butters Stotch was taken to it due to a misunderstanding so that the Mexican staff would look after him.
Trivia
- El Pollo Loco was also Kenny McCormick's wrestling name in the episode, "W.T.F.". Kenny was completely masked, as he was parodying professional Mexican wrestler Rey Mysterio.
- El Pollo Loco is a real restaurant chain in the South Western United States, with franchises mainly in California. It originated in Sinaloa, Mexico by Juan Francisco Ochoa in 1975.
- Despite appearing on South Park, El Pollo Loco does not have any locations in Colorado.