Origin
Smiley was created by Caesar Clown from the poisonous gas that he released over Punk Hazard and killed many. He returned to Punk Hazard and condensed the gas to create Smiley. He even used one of Vegapunk’s technique so the creature could “eat” one of the devil fruits.
Creation
Smiley (?????, Sumair?) is an antagonist in the One Piece series that was created by Eiichiro Oda. The series first began serialization in Shueisha’s Weekly Sh?nen Jump on August 4, 1997. It would later appear in the Punk Hazard Island Arc that began in Volume 66.
Its first appearance was in splash page on One Piece Volume 68 CH. 668 “Pirate Alliance”, and Its first anime appearance was in One Piece – Episode ?? “??”.