Mikey is the first victim in The Golden Turd Saga.
In "Homeland Insecurity", when Roger reveals that he poops golden, jewel encrusted turds. Mikey and Jim discover the gold left by Roger, and Jim of the men kills Mikey. He hides the dead body in the back of his truck and drives away. He is stopped by a police officer, and fears he may have been discovered, but the police officer simply talks to him for a while and drives away.