Moat Monster

Moat Monster was the Mythical Dragon like Antagonist of the Naruto Series.

Background
The 3 headed legendary beast was built by Penelope for unknown reasons. The Prince of the Genkai went into Monster's Lair only to find Menten the Princess of the Sky was about to be swallowed by the Moat Monster. The Prince of the Genkai fought against it and won and saved Menten and was married.