Darth Malgus

Darth Malgus was a dark lord of the Sith during the Old Republic era. He was a POWAHful guy and got to feature in some cinematic trailers.

Biography
Malgus tried to steal cookies from his roommate Darth Nihilus. Nihilus and him had a long Lightsaber fight and Malgus got away with those cookies. Nihilus swore revenge.

while Malgus was buying some dinner in the shopping maul, Nihilus planted a bomb on Malgus's ship. When Malgus returned, Nihilus detonated the bomb and Malgus blew up. There were rumours that Malgus lived, but some ashes were found at the blast site which could bust those claims.