Tsuke is a Saiyan who lives on and protects Planet Tenja after crashing there. He and Xevin are the only current Saiyans in Universe 12.
"Everything I've ever done, everything that will ever happen.. It will all be erased if I'm defeated.. I won't let you destroy everything I've ever strived to protect!"
-Tsuke against Kaneki
Tsuke is a easily angered fighter, who has a hard time trusting the help of others. Despite this, he cares deeply for the few he does trust, and would do anything to protect them.