Woop Slap

Woop Slap is the mayor from Luffy's hometown. He was the first person to stick up for Luffy during his tussle with Higuma the Bear. He also complained about Luffy's dream of becoming a pirate, saying that would bring shame to the village, however, he later called it Luffy's "destiny" in question form.

According to the One Piece Blue databook, his real name is Woop Slap.It's also revealed that he knows when and how Luffy was born and also his origin.

As revealed in chapter 440, he is familiar with Garp and his family (including Dragon). He also questions if Dadan knows about the Enies Lobby inccident.

In the original Japanese anime, he is voiced by Shigeru Chiba.

Trivia

 * Woop Slap makes a camero appearance in One Piece: Grand Battle 3 in the storymode ending for Shanks when Rockstar delivers a letter to the wrong Whitebeard.