I was thinking about a man in his 30s.
He doesn't really care about his apperance but he doesn't look like a homeless man either (he could have messy hair or a ponytail and a beard- that's up to you)
His is a bit larger- between muskular and chubby (anything but skinny)
He is a detective/vampire hunter/ bounty hunter- therefore his clothes should be more practical than fancy
And I went from there!