Drawings of Boys with Blue Hair - Unusual But Striking

Boys with blue hair often seem to have a cool vibe about them. Maybe it’s because that color doesn’t occur naturally in people, or maybe it’s because it seems gives an intellectual impression to their character.

Regardless, there are plenty of guys with blue hair depicted on pixiv. Deuce Spade (from Twisted Wonderland) is certainly popular in his own right, but do you recognize any of the characters below?