Mardeeioh is a Murkekow who has ultimate powers to turn people into mushrooms or tacos. He has a brotherly sidekick named Loowiygiy.
He also eats waffles and he has a partner named Saunic. Mardeeioh wants to kill Oshawott. Mardeeioh also comes from an elderly game made in 1983 called Mario Bros from the arcade and he also has a Shadow Mario-like creature named Myerdeyoh.