10. The Black CatAt number 10, it's the classic witch companion: The Black Cat.
9. The DinosaurAt number 9, it's the terrifying Dinosaur
8. The Black DragonAt number 8, it's the ghastly Dragon in a Halloween-y black and purple colour scheme.
7. The LionIn at number 7 it's the ferocious Lion
6. The Shark AttackAt number 6, it's the gruesome 'Shark Attack!' fancy dress costume
Tune in next week for the rest of the countdown from 5 to 1!