Smiley (One Piece)

Smiley is an antagonist in the Punk Hazard Arc of One Piece. It is a pet of Caesar Clown.

History
Smiley was created after Caesar blew up all the chemicals destroying the island in the process. After some time, Caesar returned to the island to modify the substance that was left behind and gave it the Sara Sara no Mi which made it into a powerful slime. Caesar then locked it up on the island.