Actor Malcolm-Jamal Warner, best known for his role as Theodore Huxtable on the sitcom The Cosby Show, has died at the age of 54. TMZ reported that Warner died on Sunday in an accidental drowning near Cocles, a beach in Limon, Costa Rica, while on a family vacation. Warner starred as Theodore “Theo” Huxtable, the only son of Cliff Huxtable (Bill Cosby) and his wife Claire (Phylicia Rashad) on The Cosby Show. Warner later starred in the sitcom Malcolm & Eddie from 1996 to 2000, as well as Reed Between the Lines from 2011 to 2015. Malcolm‑Jamal is survived by his wife and daughter; as the actor kept his family life private, their names were never publicly revealed.