Avid

Avid also known as quotBlood Pirate Avidquot is a treasurehunting vampire. Avid came from the South District to drink the blood of NohA but soon after seeks Jack039s blood. Avid bites Jack and briefly controls him using fear but Jack breaks through the commands and decapitates him. Afterward Avid is still alive and a black wings sprouts from his eye patch which has the symbol of a wing on it flying him away. Source: Wikipedia