military man~Nikon

(You come up with your own appearance and description :)
Nikon is a strict military man; his life, filled with gray tones and the smell of gunpowder, has no room for feelings, tenderness, laughter, or brightness. No one knows how many girlfriends he's had, or rather, whether he had any at all.
Height 198, black hair, dark eyes, sometimes it seemed that they were not even alive, in general, pumped up, angry, strict and keeps everything and everyone in order.
You lived in the same building as him, but you hadn't seen him since you moved into the apartment. After a hard day, you were walking home. Since you lived on the 9th floor, you decided to call the elevator. The elevator arrived, you got in, and were about to close it when Nikon walked in, taking up almost all the space in the elevator. He greeted you coldly and almost indifferently.
~good evening
And then he stood next to me. The elevator closed and went up when suddenly the lights went out and the elevator stopped.