God is an omnipotent, omnibenevolent deity who sole creator of all and high lord of the universes (Earth, afterlife etc). It is unkown whether there a lesser gods or not, but there are various other, very powerful supernatural forces (The Crow).
Although His/Her benevolence and even existence is often questioned or even mocked by various characters, both are confirmed in The Crow: Wicked Prayer when Luc Crash becomes Lucifer's host body and proclaims that The Crow is in fact a kind of angel who's motive for vengeance is always love.
Trivia: In mythology, the crow is a symbol of a guiding spirit or messenger of the gods and supreme gods, including in Christianity.
Powers and Abilities:
Omnipotence: Unlimited abilities, limitless usage of them.
Omnibenevolence: All-loving and kind.
Amortality: Never born, just existed. Never die. Not alive, nor dead. Not to be mistaken with 'immortality'. Not bound by time or physics (like a soul, or afterlife dimension). Never tire or weaken.
Omnisexual: Not defined by any gender or sexuality, but usually refered to as a 'He'.