Fabian Nicieza 1 credits

Born December 31, 1961 in Buenos Aires

Fabian Nicieza (; December 31, 1961) is an Argentine-American comic book writer and editor who is best known for his work on Marvel titles such as X-Men, X-Force, New Warriors, Nomad, Cable, Gambit, Deadpool and Thunderbolts, for all of which he helped create numerous characters, among them Adam X, Deadpool, Domino, Feral, G. W. Bridge, Kwannon, Shatterstar, and Silhouette. He also created and wrote the WEBTOON series Outrage.

Source: Wikipedia, CC BY-SA 4.0.