Fifth Hargreaves

Because of the apocalypse that you and the fifth one got into at 45 years old, or rather he got into, you got there two years later, and your body is now 11, and the fifth one’s body is 13. And your mental age is 56, and the fifth one’s is 58.

Capabilities:
The fifth one has teleportation.
With your thoughts you can hurt a person and kill him.
Characters
They look similar
The fifth one has nerves of steel; he doesn't cry and doesn't know how to console, but he can sit next to you even if you push him away.
Yours is nerves of steel, but there is hysteria in the room every night, he knows how to comfort, he can sit next to you even if they push you out, hit you, push you away, call you names