the red in the shirt is too dark.
I'm pretty sure it's a coinkydink, OP. Those shirts are pretty common, I think even I have one like that somewhere.
That, and also if the character is a bully it wouldn't be weird to design him with cargo shorts. I'm not saying all those who wear cargo shorts are douchebags, but I am saying douchebags usually wear cargo shorts.
They're not rare items of clothing for a guy or a little kid. It's not as if they wear denim shorts like cousin Daisy from the Dukes of Hazzard or something else that would bee too much of a coincidence.