KKK

KKK: Kingdom of Kupa Keep.

Kingdom of Kupa Keep is located in Eric Cartman's backyard. Kupa Keep's abbreviation is KKK for"Kingdom of Kupa Keep". This is meant to harken to the real-world group the Klu Klux Klan, a white supremacist group, which is fitting for Cartman.

Eric Cartman: Welcome to the Kingdom of Kupa Keep or the KKK.