Charlotte Linlin

Big Mom (ビッグ・マム Biggu Mamu) is the last Yonkou to be named.

Appearance
Big Mom has not shown herself thus far, but his/her silhouette is visible in Monkey D. Garp's explanation of the Yonkou.

Abilities and Powers
As one of the Yonkou she is one of the three (formerly four) most powerful pirates in the world.

Trivia

 * It is currently unknown if Big Mom is an epithet or her's real name.