Todd (2003 TV series)

This man was working at the sewers while he was caught by a something. Later when turtles were researching sewers they found city worker mutated into cocroach. In the fight with turtles mutant cocroach scratched Don and paralase him with its venom, after this Don mutated into monster. The cocroatch monster was caught by Baxter Stockman and his troops after what he was plased at area 51 in Bishops lab. After Letherhead using and adwancing Baxter Stockmans resercheas found a cure the city worker was trancformed into a human again and presumably was returned to New-york