John Hostetter
From Muppet Wiki
Joe, err, John Hostetter and Joe the Armadillo
John Hostetter is a character actor who played Dr. Hugo Krassman in the direct-to-video release Kermit's Swamp Years. His credits include a recurring role on Murphy Brown, as stage manager John for nine seasons, and small parts in the films The In-Laws and John Landis' Into the Night (with a cameo by Jim Henson).
A prolific voice actor, Hostetter dubbed General Madine in Return of the Jedi, played Bazooka on G.I. Joe and Ramhorn on Transformers, and has been heard in many anime productions.
