I don't play a whole lot of Team Fortress any more (aside from MvM now and then), but when I did, I played as a Pyro. Of the 600-plus hours I've logged into it over the years, 520 of them are as the Pyro. I like fire, what can I say?
This image was done by keishinkae as part of their color-sketch livestream. :>
Art © keishinkae
Character © kellervo