Suggestions by @dmcmusiclover

King Bowser Koopa Sr.

as Thanos in Marvelio

Waluigi

as Loki in Marvelio

Donkey Kong (Character)

as The Hulk in Marvelio

Luigi (Nintendo Character)

as Iron Man in Marvelio

Mario

as Captain America in Marvelio

King Bowser Koopa Sr.

as Darkseid in Super Mario DC

Yoshi (Mario)

as Green Lantern in Super Mario DC

Toad (Nintendo Character)

as The Flash in Super Mario DC

Princess Peach Toadstool

as Wonder Woman in Super Mario DC

Luigi (Nintendo Character)

as Batman in Super Mario DC

Mario

as Superman in Super Mario DC

Ernie (Sesame Street)

as Ken Masters in Sesame Street Fighter

Bert (Sesame Street)

as Ryu in Sesame Street Fighter

Oscar the Grouch

as Blanka in Sesame Street Fighter

Fernando González 'Gonzo'

as Toad in Super Muppet Bros

Denise the Muppet

as Pauline in Super Muppet Bros

Quongo

as Kiddy Kong in Super Muppet Bros

Hector the Spider Monkey

as Diddy Kong in Super Muppet Bros

Lenny the Gorilla

as Cranky Kong in Super Muppet Bros

Lenny the Gorilla

as Donkey Kong in Super Muppet Bros