Kell was born on Krypton long ago to the House of Ur. He was a member of Krypton's terraforming project of the Kryptonian Explorer Guild. He met a woman named Kara Zor-El, and he eventually became her boyfriend. Later, he was tragically murdered by Dev-Em, who wanted to get advantage over the other candidates. Kell-Ur's murder became Krypton's first in over a thousand years.
To be added
- Kara Zor-El - Former Love Interest
- Dev-Em - Killer