Bill Cosby is elderly, having gray hair as well as various facial wrinkles. He wears a light brown coat, red sweater/vest, white shirt, a brown tie, and green pants.
He was clean-shaven in his earlier appearances on the show, but was depicted in later episodes with a beard.
- In “未來戰士”, the mysterious man from the future goes by the pseudonym Bill Cosby.
- In “瘋狂俱樂部”, 斯坦·馬什 watches a cartoon called, “The Fat Abbott Show”, a parody of Cosby's "Fat Albert and the Cosby Kids".
- A poster for Bill Cosby's film, Ghost Dad, can be seen in 埃里克·卡特曼 basement in “超贊經紀人”
- “鄰居來也” - One of the many wealthy African-Americans who move to South Park.
- “第200集” - One of the celebrities suing South Park.
- “第201集” - One of the celebrities suing South Park.
- “歡樂投影” - Appear on the Washington Redskins Go Fuck Yourself Holiday Special.
- “英勇的變性人” (mentioned only)
- “我的國家在何處？” (mentioned only)
- “政確校長的最終正義” (mentioned only)
- “噢，天哪” - Along with 比爾·克林頓, insists all the boys at 南方公園小學 join Bill Clinton's Gentlemen's Club.