George Lowe was the voice of the main character on the show that was a spin-off of what variety show?
George Lowe:  He is perhaps best known for his role as the voice of Space Ghost on the Cartoon Network/Adult Swim/GameTap animated series "Space Ghost Coast to Coast"; he also played the part for its spin-off "Cartoon Planet". Cartoon Planet:  A spin-off of the animated "Space Ghost Coast to Coast" talk show, the original premise was that Space Ghost had recruited his imprisoned evil nemesis Zorak and his loud and dimwitted archenemy Brak to assist him in hosting a variety show.
Space Ghost Coast to Coast