Zauriel

Zauriel is a fictional character in the DC Universe. Originally a guardian angel who served Heaven for millions of years, he willingly fell to Earth and becomes a superhero, having been a member of DC's all-star Justice League. He first appeared in JLA #6. In his first appearance, he saved Aquaman's life (over time forming a close friendship with him), and helped the Justice League thwart and dispel the forces of the renegade angel Asmodel.