Mo Korn was a gun dealer who was set to appear in the un-produced episode The Bet. He was described in the script as "overweight, greasy, slow and low-key". Elaine was supposed to go see him to buy a gun as part of a bet with Jerry. Ernie Sabella was cast to play Mo, but the episode was never made and he never re-appeared.
- The Bet (Un-Produced)