Phobos

Phobos is the god of fear and the son of Ares and Aphrodite. He has a twin brother Deimos. Phobia comes from his name.

Appearance
Phobos is described as a teenage boy, dressed in jeans, a black shirt, and a leather jacket.

Powers

 * Phobos presumably has standard god powers.
 * Phobos has the ability to make one see their worst fears, shown though eye contact.
 * Without his power he's a terrible fighter (likely never having to rely on it so he never trained).
 * He can vanish in a puff of yellow smoke