Walt Disney/Hercules

Prince Charming (from Cinderella) as Hercules

Cinderella (from Cinderella) as Megara

Lord Sarousch (from The Hunchback of Notre Dame II) as Hades

Lumiere (from Beauty and the Beast) as Philocetes

Dragon Maleficent (from Sleeping Beauty) as The Hydra

Chernabog (from Fantasia) as The Cyclops

Tyrannosaurus Rex (from Fantasia), Carnotaurus (from Dinosaur), Dragon Narissa (from Enchanted), The Fird Bird (from Fantasia 2000) as The Titans