An FBI agent undercover as an English teacher at Teiten High School. She has a personal grudge against the Black Organization for killing her parents.
When Jodie Saintemillion was young Vermouth was assigned to kill her parents. This act drove her to become and FBI agent. Her main goal in life is to destroy the Black Organization. Conan first suspected her of being a member of the Black Organization, but discovered other wise and has since been an ally to her. She played a major role in the near capture of Vermouth and the guarding of Mizunashi Rena. She is currently trying to see if Akai Shuichi survived Rena's assassination of him.