Edelgard von Hresvelg

Absolute brainlet with a thirst for absolute power (and Byleth), conducted an invasion of Fodlan because she's a reddit atheist who trusts the molepeople who did the thing she got mad at the church about.

The Mad Empress
After the namefag Miller won the namefag tourney, him opening the briefcase containing the dicksucker unleashed its power and revived Edeltard. Who promptly stole it and is now using its power to try and restore The Adrestian Empire.