Millie Frock

"It's Millie Frock. She wants to be my friend and be me and be a rap duo with me."

- Louise Belcher tells the gang who is Millie Frock.

Millie Frock is the main villain of Bob's Burgers 2nd Halloween special, Fort Night. She is also an avid fan of Louise. Millie, to much annoyance of Louise, follows Louise around. Millie trapped the Belcher kids in their fort Halloween night because of Louise's resistance to be her friend.