Suggestions by @dmcmusiclover

Huey Duck (Quack Pack/Ducktales)

as Duck Hunt Duck in Disney Smash Bros

Remy the Rat

as Pichu in Disney Smash Bros

Mr. Incredible

as Captain Falcon in Disney Smash Bros

Rajah

as Incineroar in Disney Smash Bros

Tigger

as Incineroar in Disney Smash Bros

Shere Khan

as Incineroar in Disney Smash Bros

Wreck-It Ralph

as Donkey Kong in Disney Smash Bros

Copper (The Fox and the Hound)

as Duck Hunt Dog in Disney Smash Bros

Blu (Rio)

as Falco Lombardi in Disney Smash Bros

Sergeant Calhoun

as Samus Aran in Disney Smash Bros

El Primero

as Blue Sky in Villains

Killian (Spies in Disguise)

as Blue Sky in Villains

Vlad Vladikoff

as Blue Sky in Villains

Kraid

as Nintendo in Villains

Magica De Spell

as Disney in Villains

Big Time Beagle

as Disney in Villains

Constantine (Muppets Most Wanted)

as Disney in Villains

Juri Han

as Capcom in Villains

Kage (Street Fighter)

as Capcom in Villains

Urien

as Capcom in Villains