This The Vampire Diaries fan art contains
fedora, felt hat, homburg, stetson, trilby, boater, leghorn, panama, panama hat, sailor, skimmer, straw hat, and business suit.
There might also be
dress hat, high hat, opera hat, silk hat, stovepipe, top hat, topper, beaver, porkpie, porkpie hat, pith hat, pith helmet, sun helmet, topee, and topi.