How often does he talk about his real self? It's all an act. He's a total introvert, you can tell by the vibes.
NT or NF, I'm not sure because we don't know the actual guy that well.
He's most likely a P. Spontaneous, scattered, cynical, and witty. He is most likely an INFP or INTP.
Is it that by its indefiniteness it shadows forth the heartless voids and immensities of the universe, and thus stabs us from behind with the thought of annihilation, when beholding the white depths of the milky way?