Phantom is a main antagonist from Megaman Zero. He is a reploid serving as one of four guardians of Neo Arcadia, a human/reploid settlement under the rule of Copy X. He was created using X's DNA and given the role of leader of a shadow squadron.

His armor resembles X's although is black and worn over what resembles a white bodysuit. His helmet is fashioned to have what looks like a pointed mask over his eyes also wearing a twin tailed red scarf around his neck. His armor and attire is slightly different from his fellow guardians as his resembles more of a ninja's.

His skills are more or less just like one as well as he utilizes tools such as a katana, shuriken and kunai. He can even make use of substitutions and illusions to make a double of himself. He possesses an "Armed Phenomenon" form yet it's currently unknown.