Mihawk is a tall, lean, and muscular man with black hair, a short beard, mustache and sideburns that point upwards. His nickname comes from his strangely colored red eyes (yellow in the anime), which resemble a hawk's eyes.

Mihawk wears black and red ornate clothing with a crucifix pendant that hides a little dagger, which gives him the appearance of a Spanish swordsman. His attire consists of a wide-brimmed black hat decorated with a large plume, and a long, open black coat with a red velvet 