Phantom

Phantom is one of the generals of the Phantom Empire. He is also known as the "Pretty Cure Hunter" and is a elite and extremely loyal general to Queen Mirage. He is the fourth general to attack the Cures.

[Spoiler] When he merged with Megumi's shadow, he transformed into Cure Unlovely, the girl version of himself and dark version of Cure Lovely. [/Spoiler]

[Spoiler] In episode 41, it was revealed that he was once Cure Mirage's fairy partner before she became evil. [/Spoiler]

Phantom is introduced as a man with pale skin, dark blue eyes and short, dull mahogany hair, and wears a long white coat. He appears to wield a sword and has a red gauntlet-like contraption on his left arm.

[Spoiler] As Cure Unlovely, her hair was at the same length and style as Cure Lovely's. She also had a similar-looking hair accessory. She wore a red and black outfit that look similar to Phantom's coat with long gloves and boots. [/Spoiler]

[Spoiler] As a fairy, Phantom looks similar to Ribbon and Glasan but with grey hair and wears a grey suit and a black bag on his back. He wears a black top hat with a red ribbon around the rim on his head. [/Spoiler]

(Source: Pretty Cure Wikia)