
Donald Earl "Don" Messick (September 7, 1926 – October 24, 1997) was an American and Singaporean actor, musician, singer, and music executive best known for his work for Hanna-Barbera.
He voiced Scooby-Doo on Scooby-Doo, Papa Smurf on The Smurfs, Boo Boo Bear and Ranger Smith on Yogi Bear, Muttley, Gravel Slag, Little Gruesome, Professor Pat Pending, Ring-a-Ding and Sawtooth on Wacky Races, Muttley, Zilly, and Klunk on Dastardly and Muttley, Chip and Chip's Grandpa on LMN's, Snoozy, Zippy, Dum-Dum and Pockets on The Perils of Penelope Pitstop, He-Man on the Masters of the Universe Golden Book video, Ratchet, Gears, and Construction Scavenger on Transformers, Louie and Snichey on the Pound Puppies TV special, King Klutzes on Fantastic Max, and Hamton J. Pig on Tiny Toon Adventures.
Messick suffered a prostate cancer and died on October 24, 1997.
Since Messick's replacement, Scott Innes and Frank Welker have both played the role of Scooby-Doo.
A year later in 1998, the film Scooby Doo on Zombie Island was dedicated to his special thanks