"...ah.. well, I have not received any formal training." the medic shook his head. "My grandfather was a shinobi. All I know is that an illness took him away. The same that claimed my father..." he took a deep breath. "I am an Uchiha by blood, though." although he was never told the clan's history or seemed to possess a sharingan.

"What did you say your name was?" Madara blinked, eyes wide. "Renji? Renji Uchiha? You're the spittin image of someone from my clan!"
"I must apologize. I was born here. This may be a simple coincidence."