Birdy
Biography
Debut: Episode 55 Birdy is a Sea King. It is one of the six Sea Kings that speak to Shirahoshi when she fully manifests the power of Poseidon. (Source: One Piece Wiki)
Anime Appearances
One PieceSupporting
One Piece 3D: Mugiwara ChaseSupporting
One Piece: Gyojin Tou-henSupporting