Monstrous Monstro

"Monstrous Monstro" is a musical composition by Yoko Shimomura that appears in the Kingdom Hearts series. It is the battle theme of Monstro and one of the battle themes of Prankster's Paradise.

A new arrangement of the piece introduced in Kingdom Hearts Birth by Sleep Final Mix is named "Monstrous Monstro -Arena Ver.-". It is the boss theme of Monstro.

Appearances
"Monstrous Monstro" is the battle theme of Monstro in  and Kingdom Hearts Chain of Memories. It is the battle theme of Prankster's Paradise in Riku's Story in Kingdom Hearts 3D: Dream Drop Distance.

Kingdom Hearts Birth by Sleep Final Mix

 * Mirage Arena: Monster of the Sea

Composition
"Monstrous Monstro" is approximately one minute and fifty-six seconds in Kingdom Hearts. In Kingdom Hearts Chain of Memories, the piece is two minutes and three seconds. "Monstrous Monstro -Arena Ver.-" in Kingdom Hearts Birth by Sleep Final Mix is two minutes and eight seconds. The piano collections arrangement, which includes "Monstrous Monstro" and "A Very Small Wish," is approximately three minutes and forty-nine seconds.