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For other uses, see Bill (Disambiguation).

Bill Cosby also known as BSM-471 is a cyborg from the future, specifically the year 2034. He appears in the Season Four episode, "Trapper Keeper".


After Cartman shows off his new Dawson's Creek Trapper Keeper Ultra Keeper Futura S 2000, the boys go on the bus only to find Bill Cosby along with them posing as a new 4th grade student. He claims to have been held back 10 years. He soon learns about Cartman's new device, and tries numerous times to get his hands on it.

After finally grabbing it from Cartman and being pricked by the large protruding, metal spikes, Cosby manages to escape and run into town. Cartman, the others, and Officer Barbrady chase him, and run him down with the police car. The all discover that he is an android, and was sent from the future to destroy Cartman's trapper keeper.

He succeeds in destroying the trapper keeper, however, Liane Cartman bought Eric a new one. They all take a different approach, and confront Liane, who vows not to buy Cartman another. Liane and Cosby make love while Cartman's trapper keeper begins to absorb more and more technology, and eventually Cartman himself.

The trapper keeper begins to move to Cheyenne Mountain, in Wyoming, with Kyle, Stan, and Cosby close in pursuit. They realize that Cartman still lives within the monster, and Kyle goes in to disconnect him from the CPU. Kyle succeeds, the trapper keeper monster is destroyed, and Cosby fades from existence.


Bill Cosby is a cybernetic being that wears black shoes, blue jeans, a white shirt, and a brown overshirt. He also wear a dark gray trench coat. He had messy, brown hair and spots of chest hair.


  • He shares a name with former actor, Bill Cosby.
  • His character is a reference to Arnold Schwarzenegger's character from The Terminator series.
  • His klutzy way of poorly maintaining his cover is influenced by Kyle McCulloch himself, who would prank people with a similar manner of speech to see if they would react.


Minor Characters from Season Four
5th graders | Alice | Alinicia | Amber Hankey | Autumn Hankey | Bill Cosby | Billy | Billy Circlovich | Billy Harris | Boy with Huge Glasses | Cartman Impostor | Chad | Chad's Parents | Charlie Rose | Cheech and Chong | Chris | Christina Aguilera | Cornwallis Hankey | Dr. Roberts | Dr. Shay | Escaped Convict | Estella | Fidel Castro | Filmore Anderson | Fingerbang | Flora Larsen | Geeky Computer Guys | The Ghetto Avenue Boys | Gobbles | Hansen | Herbert Pocket | Horace Sanders | Howard Stern | James Taylor | Jeffrey Maynard | Jenny | Jenny's Parents | Joe Gargery | Johnny Knoxville | JonBenét Ramsey | Lamond | Linda Cotner | Loogie | Loogie's Associates | Mall Manager | Mark Cotner | Miss Havisham | Miss Information | Mr. Harris | Mr. Sanders | Mr. Wyland | Mrs. Anderson | Mrs. Joe Gargery | Mrs. Harris | Mrs. Sanders | Mrs. Vladchik | NAMBLA | Pete Thelman | Phil Collins | Quaid | Quintuplets | Rich Kid in Cherry Creek | Rick and Susan Tyler | Rick Watts | Robby | Romanian Father | Romanian Guards | Romper Stomper | Rookie Security Guard | Rosie O'Donnell | Sally Bands | Scott Evans | Security Guard | Simon Hankey | Sister Anne | Steve | Tom Foley | Tom Green | Tony | Ugly Girl | VH1 Anchor | Walter Matthau | Weasel | Woman with Pink Dress

More information: List of Minor Characters from Season Four | Season Four