Aquarium Sphere (NPC)

The Aquarium Sphere (NPC) is a Cut Character from the Core Hub Era of Portal 2 Development, it would be fixated on achieving a certain mission and be hyper-active. It would eventually evolve into the Space Core in the retail version of the game, It's eye color was a light shade of green. This character's personality was based off of the Oregon Coast Aquarium Commercial which was a inside joke at Valve at the time.

It would have been found in it's own part of the facility, where the player would somehow find and retrieve it to Carcass GLaDOS.