One of the only 2 braincells some idiots have, cannot survive without Sanity, basically Braincell 1 but better

Brain Cell 1 but better

The Daughter of Eren Yeager and Mikasa Ackerman in another universe. Inherited the attack titan

Probably the dumbest of all of your remaining braincells. Tries its best to help you but still can't.

One of your last five remaining braincells 

They are quite introverted and does not really speak as much. They are often ignored by the other braincells and is only really close to Braincell 5.