Killian from The Adventure Zone

Lucifer the Cat from Cinderella

Mokuba Kaiba from Yu Gi Oh

Neville Longbottom from Harry Potter

Odette from The Swan Princess

Penelope Pitstop from Wacky Races

Quark from star trek

Ralphie from A Christmas Story

Sunny from Strange Magic

Timothy Mouse from Dumbo

Urthemiel from Dragon Age

...might have already done that one.

Velvet from RWBY

William (Houndmaster) from Darkest Dungeon

Xena: Warrior Princess

Yakko Warner from Animaniacs

Zahua from Pillars of Eternity