The first one was a Deviant Mutate that dwelled in Subterranea.
Giganto (Deviant Mutate)
Mole Man’s Minions
for Mole Man’s Minions in Mario Bros: Half Shell Escapades
Suggested by themegacaster
Two plumbers trying to prove themselves to those who undermine them, investigate a sudden appearance of strange creatures appearing in the sewers, soon causing them to team up with four turtles who are trained in ninjitsu.
