Banshee

995: Banished to the human world, along with the rest of the Third Race
Made her home in Ireland, where she threatened the entire island;
Defeated & overthrown by Cu Chullain, aided by the Hound of Ulster
20th Century: returned to Ireland, discovered that Roy was Cu Chullain, reborn
Became a human girl named Molly to prevent Roy from discovering his past;
Defeated by him once again when Bronx helped Roy discover the truth
1995: Ignored Oberon’s call back to Avalon, dragged there by the Weird Sisters
A metal plate was placed over her mouth to strip her of her voice for her disobedience