Those Two Bad Guys/Western Animation


 * Bogel and Weird on The 13 Ghosts of Scooby-Doo, whose purpose was to serve the Monster of the Week.
 * Adventures of Sonic the Hedgehog has Scratch and Grounder, Dr. Robotnik's incompetent henchbots, who would later become a Fountain of Expies for other such duos.
 * Sonic Underground gave us Sleet and Dingo, a pair of bounty hunters Robotnik hired to take down Sonic and his siblings.
 * Dick Dastardly and Muttley were popular enough on Wacky Races.