Darth Pong Krell

Darth Pong Krell was a clone of the former Besalisk Jedi Master who turned to the Dark Side after betraying the 501st Legion. He sought a position as the ruler of Krell's Infinite Empire. After founding it, he created all sorts of dark things including Shadow death troopers. He even built the Infinite Death Star, a battlestation capable of destroying entire star systems.