Black Sheep is Cow and Chicken's cousin and the black sheep of the family. Like Boneless Chicken and Cousin Sow, it is unknown which side of the family he is related to. Although he is actually nice, people often accuse him of being a criminal and in the episode "Black Sheep of the Family" he is apprehended by Officer O'Fannahey (the Red Guy). However he was rescued by Super Cow and everyone changed their minds about him after he saved a woman's life from a heart attack.
- The attitude of everybody toward the Black Sheep, could be considered a racist behavior, as the Black Sheep was badly and unfairly treated only for his physical appearance, despite being a kind and cultured person.
- He is Cow's favorite cousin.
- It is unknown which side of the family he's from.
- Kiki from Miracle Star, Chi Chi from The Amazing World of Gumball, Shaun from Shaun the Sheep, Timmy from Timmy Time, Baa Baa Sheep from Mother Goose Club and Sheep from Sheep in the Big City
- He looks like The Adventures of Gracie Lou episode "The Animal Rock"
- Background characters Service Goat from Unikitty! episode "First Flight"