Negasonic Teenage Warhead
Negasonic Teenage Warhead (Eloise Olivia "Ellie" Phimister) is a superheroine appearing in American comic books published by Marvel Comics. Created by Grant Morrison and Frank Quitely, the character first appeared in New X-Men #115 (2001).
Source: Wikipedia — Negasonic Teenage Warhead (CC BY-SA 4.0)