"Oh my God, they killed Kenny!"

Oh my god, they killed Kenny is a trademark gag run numerous times through South Park. After Kenny was killed by some method or person Stan or Kyle (usually Stan) would say "Oh my god, they killed Kenny!" and usually Kyle would say "You bastards!". The phrase is so iconic it was translated into Spanish as see in "Chicken Lover" and "W.T.F with El Pollo Loco replacing Kenny.