Ego

Mortal enemy to Galactus, Ego threatened Earth and the FF was summoned by Thor to help stop the cause, Ego. After landing on Ego, Reed noticed that the jets that moved the planter were out there by Galactus. After pleading with Galactus, to help save earth, Galactus and Thor combined their powers, and Ben bombed Ego’s brain in order to destroy the planet and save earth.

The evil Thanos uses the Living Planet to invade the Surfer's mind, intent on finding the secrets of Galactus within.

The Surfer finally finds Zen-La, and is reunited with his beloved Shalla Bal. But things seem different, and the behavior of Shalla Bal gets increasingly strange and dangerous. The Surfer soon discovers that he has not found his home at all; instead he has once again found Ego, the Living Planet, who intends to repay his debt to the Surfer!