Galactus

Galactus is the sole survivor of the sixth incarnation of the Multiverse. Originally Galactus was a humanoid named Galan, born in the previous incarnation of Earth-616 on the planet Taa, a paradise-like world whose civilization is said to have been the most advanced of any of the known universe of that time, to the scienceer Taaia. However, the Sixth Infinity and all its universes were in their final stages of collapse due to the multiversal renewal cycle, being consumed by the Abstract Entity known as the Black Winter.