Yes, it's another Sephiroid. No, it's not Geist.
Temura is actually a fusion of multiple broken Sephiroth-clones. His swords are named Boaz and Jachin. (Hey, it might be predictable, but it's better than Ebony and Ivory!)
UTTERLY sloppy coloring. But I'm probably going to do the whole thing over at some point.