Mammoth Dense

Mammoth Dense (マンモスデンス) is a creature developed by the Golden Lion Pirates' doctor Indigo using the SIQ for Shiki's plan to overthrown the World Government by destroying the East Blue.

It is a giant mammoth with large tusks and six feet.

It appears in One Piece Film: Strong World, being used by Zoro and Chopper to travel around a winter island in Merveille. Another one was seen attacking the village in Merveille with other animals.