Ruby’s seen as busy, always keeping his hands full with tasks to do. Always working, always caught in tasks, something. Even when he’s not busy, he looks so occupied with his thoughts that it’s best to leave him alone. It’s a bit difficult to pinpoint how he is from a first impression.
Too serious to where people think he might disregard them, but he also looks like any other person. What a weird guy.

Voice claim for reference: Bucky Barnes (MCU version)