Brad Garrett
Though probably best known for playing Robert Barone in Everybody Loves Raymond, Garrett broke into televison as a voice actor.
He played Trypticon in The Transformers and also provided the animated voice of Hulk Hogan in Hulk Hogan's Rock 'n' Wrestling.
His most famous voice work was probably his roles for Pixar as Tank in A Bugs Life, Bloat in Finding Nemo and Gusteau in Ratatouille and Chug in the upcoming DisneyToon film Planes.
He also did turns in the DCAU as Bibbo Bibbowski and Lobo (which he reprised for Justice League) in Superman the Animated Series. He also played Greasepit in Biker Mice From Mars, Torque in Buzz Lightyear of Star Command, Grin in The Mighty Ducks, Phil (the Frankenstein Monster) in Toonsylvania, The Big Dog in Two Stupid Dogs, Jellyroll the talking elephant on ABC's One Saturday Morning, and Wizard Whitebeard in the Where's Waldo animated show.
He also appeared as an Aladdin-like character on the back cover of Electric Light Orchestra's Discovery album.