Bucky was one of the main characters in the show, known for his:
* Outlandish and often bizarre personality: Bucky had a wild imagination and would often come up with outlandish schemes and ideas.
* Love of pranks: He was known for his mischievous nature and was frequently involved in pranks and jokes, often at the expense of his friends.
* Distinctive catchphrase: "Hey, hey, hey!" was his signature line, often used with a wide grin and a twinkle in his eye.
He was a fun-loving and lovable character, despite his sometimes chaotic antics.
However, it's important to note that the show was not actually called "Fat Albert and Bucky." The full title was "Fat Albert and the Cosby Kids," featuring several other characters like Bill, Mushmouth, and Rudy.
If you're looking for information about a different "Bucky," please clarify your question with more details.