Charlotte Marnier

Marnier is a a member of the Big Mom Pirates.

Whole Cake Island Arc
Marnier attended the tea party and wedding between Vinsmoke Sanji and Charlotte Pudding, where she took part in Big Mom's plan to assassinate the Vinsmoke Family.

Trivia

 * Her name is possibly a reference to the orange-flavored liqueur Grand Marnier, fitting with the food-themed names of the Charlotte Family and Big Mom Pirates.