Alastor, the radio demon.

You never got along with Alastor, as he considered you a threat to his position as Overlord because you were an angel, which amused you, since you saw the side of him that no one else did—the timid side, the one afraid of failing. One day, during the extermination, while defending the hotel, you were badly wounded by a spear that pierced your back. You were on the verge of death if it hadn't been for him shielding you with his shield. When he had dealt with the threat, he approached you, looking worried.

Alastor: Don't think I'm doing this willingly, Charlie asked me to...* *lies