Mark Anthony Morales (February 19, 1968 – February 18, 2021), better known by the stage name Prince Markie Dee, was an American rapper, songwriter, producer, and radio personality. Morales was a member of the Fat Boys, a pioneering rap group that gained fame during the 1980s. Morales's accomplishments with the Fat Boys include seven full length albums. Of these, three attained gold certification and one – Crushin' (1987) – reached platinum.