Casey Kasem, the iconic voice behind Shaggy from Scooby-Doo and host of America's Top 40 radio show, has passed away at the age of 82. The cause of his death is currently unknown.

Born in Iran to Greek parents but raised primarily in Detroit Michigan Casey began his career as a disc jockey before eventually landing roles on television shows including the popular Hanna-Barbera animated series Scooby-Doo Where Are You? where he voiced Shaggy Rogers alongside Don Messick's iconic voice of Scoobie Doo.

Kasem also gained widespread recognition for hosting America's Top 40 from 1976 to 1982 as well as various other radio shows throughout his career. His smooth baritone voice and engaging personality made him a household name in the United States during the late 70s and early 80s.

Outside of entertainment Kasem was known for being a devoted husband father grandfather and philanthropist who frequently supported causes close to his heart including children's hospitals animal welfare organizations and numerous other charitable groups throughout his lifetime.

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