Frank Welker (born March 12, 1946) is an famous American voice actor whose career is for numerous cartoons. He is well known for his animal/creature vocal effects and sneaky villains.
A few of his characters on The Berenstain Bears Show include Raffish Ralph, Professor Actual Factual, Archweasel McGreed and several Henchweasels, Grizzly Gramps, Farmer Ben and several other characters. In the intro sequence he voices Mayor Horace J. Honeypot, a character ("Horace J. Honeypot, I'm the mayor!") for Welker quickly voiced him during the introduction after they say: "There are more Berenstain Bears!". In Go Bonkers Over Honkers, he voiced all the Geese.
Other notable voice roles include Fred from the various Scooby-Doo series (as well as Scooby in the more recent series), Megatron and Soundwave of The Transformers, Dr. Claw and Brain and M.A.D. Cat of Inspector Gadget, Abu and the Cave of Wonders in Disney's Aladdin, and numerous other shows.