Scylla.
The three monster Japanese film where Godzilla, Rodan, and Mothra appear in the film titled Ghidrah, the Three headed Monster. It was directed by Inoshiro Honda.
4-6 hours
The first episode of monster high is called New Ghoul at school.
If your talking about the show on You Tube with monsters at school it's called, "Monster High".
6 headed monster
Scylla.
the whirlpool. the 6-headed monster was the other.
cube,rectangle, and a six headed monster
The bull-headed man called the Minotaur.
The 3-headed monster is called the Wither, it was added on the halloween 2012 update.
it was a hydra they have 6 heads not nine it was a lie
Im not sure what it was called but there was a gigantic three-headed dog in Harry Potter and the Philosphere stone (the first film)
He is Ravan, from Ramayana whom Lord Sri Rama killed.
The Hydra
Hydra
The Minotaur.