Firelord: This former herald of Galactus befriended Eros during his stay with Earth's Avengers. He further became an ally of Titan during the Infinity Gauntlet affair, when he came to aid us in the midst of the chaos which had been brought about. He has been an occasional guest ever since.

Drax the Destroyer: Created by our patron god Kronos to oppose Thanos, Drax has dwelt on Titan from time to time, often making use of our sophisticated television reception.

Captain Mar-Vell: The Protector of the Universe, and chief opponent of Thanos. With the aid of Mar-Vell, Thanos' rule over Titan was brought to an end, freeing our planet. Mar-Vell spent his last years with us, until his untimely death by cancer.

Genis-Vell: The "son" of Mar-Vell and the artificial Eternal Elysius, Genis was cloned here on Titan, and has been a staunch ally, despite his youthful immaturity.

Rick Jones: Alongside his former partner Captain Mar-Vell, Rick Jones aided Titan against Thanos, and ISAAC, when he went rogue.

Moondragon: Raised on Titan by Mentor and the Priests of Pama, Moondragon is as much a true citizen of Titan as any Eternal. Unfortunately, it was on Titan that she was first corrupted by the dread Dragon of The Moon, which resulted in the destruction of her physical body. Fortunately, ISAAC was able to clone her into a new body.

Iron Man: One of the most famous Avengers, Iron Man aided Titan twice during the war with Thanos, and provided a strong role in his defeat.

The Avengers: Earth's mightiest heroes have accepted Eros into their ranks as Starfox, and aided Titan against Thanos in the past.