Rod Stewart appeared in the episode, "Are You There God? It's Me, Jesus", in which he performs at Jesus' Millennium concert. He is also in the background of "200" and "201" as one of the celebrities suing South Park.
He looks very elderly, with an extreme amount of facial wrinkles, sunken-in cheeks, liver spots, as well as being confined to a wheel chair. He wears a black coat with a marble-like pattern of white streaking through it and a purple shirt.