Charlotte Linlin

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

Appearance
Big Mom has not shown himself/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, s/he 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 his/her real name.
 * It is arguably possible that Big Mom may be in fact Lola's mother.