Question: "Chocolate Salty Balls (P.S. I Love You)" is a song from "South Park" performed by a character that is voiced by who?
Sentence (from "Chef (South Park)"): A cafeteria worker (as his nickname implies) at the local elementary school in the town of South Park, Colorado, Chef is generally portrayed as more level-headed than the other adult residents of the town, and sympathetic to the kids.
Relevant evidence: No