Yidrazil was a member of the Neyaphem, who served under Azazel. He was decapitated by Kiwi Black, his paternal half-brother.
Yidrazil was created by Chuck Austen and Philip Tan and made his first appearance in Uncanny X-Men # 429 in 2003.
Yidrazil had large wings which granted him self-propelled flight.
He also possessed enhanced strength, agility, and reflexes.