Shupeal

Spiel the Hexagon is a pirate able to use magic (an element not present in modern One Piece) and the main villain for Romance Dawn Version 2.

Trivia

 * His face can be seen on a wanted poster during episode 45 of the anime and later in episode 66.
 * His nickname is a play on the word "Hex", which is a word meaning "spell" or "curse" and "Pentagon" which refers to a sign often used for curse and devil worship in popular culture.