Malcolm-Jamal Warner played “The Cosby Show’s” Theo Huxtable with a charismatic mix of bravado, innocence and hysteria.

To truly comprehend how essential a big brother Theodore Huxtable was to Black Gen X boys, we must remember what prime time offered before the arrival of Bill Cosby's only son from the heralded sitcom,

Keshia Knight Pulliam is paying tribute to her late Cosby Show costar, Malcolm-Jamal Warner. The actress, who was only six years old when she first starred as Rudy Huxtable on the sit-com, remembered her “big brother” in a poignant Instagram post a week after he tragically drowned at 54.