Paul Eiding (born March 28, 1957; Cleveland, Ohio) is an American voice actor, voice instructor, and actor, perhaps best known as the voice actor behind Perceptor in the original Transformers cartoon, Colonel Roy Campbell in the Metal Gear series, the narrator in Diablo, Judicator Aldaris in StarCraft, and Max Tennyson in Ben 10, Ben 10: Alien Force, Ben 10: Ultimate Alien, and Ben 10 Omniverse where he also did the vocal effects for Zed, Liam and voices for several other characters.