The Fiend Goddess (or Lindsey) is the queen and ruler of all Fiend and Imp types throughout the land of Miitopia, and she lives on the top floor of a 125-story tower with 14 floors.

There's a few known things about Lindsey:

1. She's the largest Fiend, even larger than the Red Fiend.
2. She's the deadliest of all the Fiend types, even deadlier than Terror Fiends and Red Fiends.
3. She might be married to a Deadly Demon.
4. She's a mother. Has three daughters and one son.
5. She's 581 years old.