Grandpa McCormick appeared only once in the episode "Fat Camp". He did not have any speaking lines but he received a full body sensual massage from his grandson Kenny. He is laying on a heart-shaped bed in front of a studio audience when Kenny films this stunt.
Appearance
Grandpa McCormick has gray hair and is visibly aged. He is seen only in his light blue underpants and his gray under shirt.
Template:McCormick family