Yes, he does.
That's why I think he is better than other main game rivals. I hated Barry cos of his dumbness and the quotes that he says about giving you fines. Bianca just doesn't stack up to Cheren, Wally is too young to be a proper rival while Blue/Gary and Silver's personalities are too dark.
Take a look at this stamp I found on DeviantArt.
Yes, I knew he was a boy since the first time I saw him.