You whe're exploring the outer Solar system, when you see him in the Kuiper Belt,he was... painting a face on multiple rocks...?

You try and call him,but he just stares at the rock he just painted

Neptune:Ohhh? Guillermo? Are you...? Alive...?

He said with a black face and a regular smile, Oblivious of your and his existence

He looked like...he lost his mind? Was he insane?