Cast[]
- Sulley (from Monsters, Inc. and University) as Horton
- Charlie Brown as The Mayor of Whoville
- Patty as Sally
- Shermy as Jojo
- Count Dracula (from Hotel Transylvania) as Morton
- Sally as Katie
- Marcie as Mrs Quillingan
- Linda (from Rio) as Jessica
- Lucy as Kangaaroo
- Snoopy as Rudy
- Linus as Tommy
- Hyenas (from The Lion King) as monkeys
- Vector (from Despicable Me) as Vlad