Who said "You guys are such assholes, but you're MY assholes."?

This quote is attributed to Cartman.

You guys are such assholes, but you're MY assholes. - Cartman

"You guys are such assholes, but you're MY assholes."

Cartman Friendship

"Screw you guys, I'm going home!"

"I'm not fat, I'm just big-boned!"

"You will respect my authority!"

"Hippies, they're everywhere!"

"Friendship is built on trust and honesty."

"True friendship is worth more than gold."

"Good friends are like stars, always there even when you can't see them."

"Friendship means sacrifice."