Thanos: Though a pure-blooded Eternal of Titan, Thanos has rejected his own heritage, and chosen to wage war against his own people! No act of malice was ever greater than when he slew his own mother, yet he still went on to slaughter hundreds of his own people! His legacy shall never die.

Stellarax: When Titan's own master computer ISAAC was driven rogue by a program left by Thanos, Stellarax was created to conquer the planet for ISAAC, but he lost against the combined might of Captain Mar-Vell and Drax the Destroyer.

The Super-Skrull: Thanos' lieutenant during his conquest of Titan. The Super-Skrull was foolish enough to trust Thanos, however, and found that trust betrayed.

The Dragon of the Moon: This insidious monstrosity made Titan its home after the Eternal known as the Interloper drove it from Earth. Here on Titan, it proceeded to corrupt Moondragon, but was ultimately defeated by Doctor Strange.

Nebula: The alleged granddaughter of Thanos, Nebula has carved a name for herself in infamy, waging war against the Skrulls. Though she was incarcerated in Titan for a time, she ultimately escaped, and remains at large.