Well, he is the reflection of an angel. What does that say about said angel? What does that say about Leviathans? Maybe they've always been dim reflections of one another in some fashion. God only knows. Literally.

Leviazar wipes the glass with a sleeve, fogs it again, and draws a smiley face, then writes again: My Real is Balthazar the angel. Call me that or something else. idc.