Charlotte Linlin

Big Mum (ビッグ・マム Biggu Mamu) is the last Yonkou to be named. It can be presumed that she is the only female yonkou considering her name is Big Mum.

Appearance
Big Mum has not shown herself thus far, but her silhouette is visible in Garp's explanation of the Yonkou. There is a chance that Big Mom is Lola's mother.

Abilities and Powers
As one of the Yonkou she is one of the four(currently three)most powerful pirates of the One Piece world.

Trivia
Many fans suspect that Big Mum is Lola's Mom, because of she is a famous female New World pirate.