Franklin Wendell Welker is an American actor, voice actor, impressionist, and stand-up comedian, with a career spanning nearly six decades. He is best known for voicing Fred Jones in the Scooby-Doo franchise since its inception in 1969, and Scooby-Doo himself since 2002. In 2020, Welker reprised the latter role in the CGI-animated film Scoob!, the only original actor from the series in the movie's cast. He has also voiced Megatron , Galvatron and Soundwave in the Transformers franchise, Curious George in the Curious George franchise, Garfield on The Garfield Show, and Nibbler on Futurama, and Jabberjaw, Speed Buggy, Sneezly Seal, Mushmouse, Azrael in The Smurfs as well as numerous animal vocal effects in many works. In 2016, he was honored with an Emmy Award for his lifetime achievement.