Donald Earle Messick (September 7, 1926 – October 24, 1997) was an American voice actor, known for his performances in Hanna-Barbera cartoons.[1] His best-remembered voice roles include Scooby-Doo; Bamm-Bamm Rubble and Hoppy in The Flintstones; Astro in The Jetsons; Muttley in Wacky Races and Dastardly and Muttley in Their Flying Machines; Boo-Boo Bear and Ranger Smith in The Yogi Bear Show; Sebastian the Cat in Josie and the Pussycats; Gears, Ratchet, and Scavenger in The Transformers; Papa Smurf and Azrael in The Smurfs; Hamton J. Pig in Tiny Toon Adventures; and Dr. Benton Quest in Jonny Quest.
From Wikipedia.
Scooby-Doo: Agence toutou risques, vol. 2 : Le fantôme de la télé (2007)
as Scooby-Doo (voice)
Scooby-Doo: Agence toutou risques, vol. 1 : Le voleur de vélo (2007)
as Scooby-Doo (voice)
The 1st 13th Annual Fancy Anvil Awards Show Program Special: Live in Stereo (2002)
as Scooby-Doo (voice) (archive footage) (uncredited)