Suggestions by @andymayer

Hand-Drawn Animation

as Medium in Mickey and Oswald

Yen Sid

as Disney Cameos in Mickey and Oswald

Ventus (Kingdom Hearts)

as Disney Cameos in Mickey and Oswald

Aqua (Kingdom Hearts)

as Disney Cameos in Mickey and Oswald

Terra (Kingdom Hearts)

as Disney Cameos in Mickey and Oswald

Xion

as Disney Cameos in Mickey and Oswald

Roxas

as Disney Cameos in Mickey and Oswald

Axel (Kingdom Hearts)

as Disney Cameos in Mickey and Oswald

Kairi

as Disney Cameos in Mickey and Oswald

Riku

as Disney Cameos in Mickey and Oswald

Chicken Little (Ace Cluck)

as Disney Cameos in Mickey and Oswald

Tater Ramírez-Humphrey

as Disney Cameos in Mickey and Oswald

Raya (Disney)

as Disney Cameos in Mickey and Oswald

Merida (Brave)

as Disney Cameos in Mickey and Oswald

Hank Hill

as Disney Cameos in Mickey and Oswald

Gertie the Dinosaur

as Non-Disney Cameos in Mickey and Oswald

Andy Samberg

as Dale in Mickey and Oswald

Corey Burton

as Dale in Mickey and Oswald

John Mulaney

as Chip in Mickey and Oswald

Tress MacNeille

as Chip in Mickey and Oswald