The Gatekeeper

The Gatekeeper is a omnidimensional entity that has infinite wisdom and an IQ over Googolplex x1000.

Biography
The Gatekeeper has a body of a normal human being, but it's head is replaced with a void. It has outstanding combat abilities.

History
After Kevin had destroyed the fabric of reality the Gatekeeper appeared to take him to another dimension, but after Kevin fixed the problem himself it vanished.