He's a hard one to pin down. He's either that dude wrestling the Anti-Monitor at the end of CoIE, thus the divine wrath of the Heavenly Host, or he's...
It is a great thing. Jon being his father's son but his mother not contributing enough elements to his character is my biggest criticism of Jon Kent...
Keep it staunchly within Superman's (Kal-El...god it sucks to have to qualify that these days) books and mythos. Treat them as supporting characters...
"Mark my words! This drill will open a hole in the universe. And that hole will become a path for those that follow after us. The dreams of those who have fallen. The hopes of those who will follow. Those two sets of dreams weave together into a double helix, drilling a path towards tomorrow. THAT's Tengen Toppa! THAT'S Gurren Lagann! MY DRILL IS THE DRILL THAT CREATES THE HEAVENS!"
- The Digger
We walk on the path to Secher Nbiw. Though hard fought, we walk the Golden Path.