What Celestial is Knowhere?

Knowhere is the second celestial object orbiting Battleworld, considered to be its moon. Knowhere is the decapitated head of a Celestial, said to have been slain by God Emperor Doom to protect Battleworld, and it remained orbiting the planet as a reminder of Doom’s power.

Is Ego the brain of Knowhere?

The Ego of Knowhere The SR theory goes that Knowhere – a location built inside the skull of a decapitated Celestial – used to be Ego’s form, the place where his massive brain/core used to be housed. In short: Knowhere itself is an Easter egg, as it is actually part of Ego.