In the Masters of the Universe Classics toy line, further character development was introduced. This line has offered more in depth origins to the Masters of the Universe characters and a collaboration of all origins in attempt to create a new coherent continuity. According to their revised back story, Keldor is Randor's half-brother. Keldor's mother was a member of the Gar race and he was ousted from the royal castle due to his Gar heritage. He roamed Eternia for knowledge, eventually learning the Dark Arts from Hordak. He then sought to unite Eternia by ruling it himself and battle his own half-brother with his army of fellow misfits. After losing the battle and desperate to survive, he turned to his mentor Hordak who merged Keldor with an entity known as the Demo-Man. Together they formed Skeletor. Keldor also appears in the DC comics but was cursed by his father and became Skeletor.