Suggestions by @alexkrzywicki

Professor Frink

as Bill Farmer in Characters Who Voice Actors Should Voice

Piper (Storm Hawks)

as E.G. Daily in What characters would you like to hear voice actors voice?

Nightmare Moon

as Ashleigh Ball in What characters would you like to hear voice actors voice?

Prince Bowser Koopa Jr.

as Ashleigh Ball in What characters would you like to hear voice actors voice?

Ronno

as Ashleigh Ball in What characters would you like to hear voice actors voice?

Mysterio (Quentin Beck)

as Steven Weber in Characters Who Voice Actors Should Voice

General Pepper

as Steven Weber in Characters Who Voice Actors Should Voice

Wolf O'Donnell

as Steven Weber in Characters Who Voice Actors Should Voice

Andross

as Steven Weber in Characters Who Voice Actors Should Voice

James McCloud

as Steven Weber in Characters Who Voice Actors Should Voice

FAKE

as Steven Weber in Characters Who Voice Actors Should Voice

Klaybourne "Klay" Morrison/Klayotic

as Andrew Jackson in Characters Who Voice Actors Should Voice

Mugen

as Andrew Jackson in Characters Who Voice Actors Should Voice

Gran Torino

as Andrew Jackson in Characters Who Voice Actors Should Voice

Mashirao Ojiro

as Andrew Jackson in Characters Who Voice Actors Should Voice

Gang Orca

as Andrew Jackson in Characters Who Voice Actors Should Voice

Muscular

as Andrew Jackson in Characters Who Voice Actors Should Voice

Sugar Man

as Andrew Jackson in Characters Who Voice Actors Should Voice

Mysterio (Quentin Beck)

as Andrew Jackson in Characters Who Voice Actors Should Voice

Mysterio (Daniel Berkhart)

as Andrew Jackson in Characters Who Voice Actors Should Voice