From his expression I would guess at a fellow with rather sarcastic sense of humour. That biting type to whom it's not easy to get close emotionally - but who manages to be rather friendly anyway.
Am I close?
Am I close?
Non, Verminaar isn't sarcastic. He just likes to have fun but in a good way. He's really often smiling. He's too must sensitive to be sarcastic.
Great to know that. Sorry for the misinterpretation, then 
I think I like him more as you describe him
I think I like him more as you describe him