This doktor na screencap contains
Fedora, nadama sumbrero, Homburg, Stetson, trilby, snap brim hat, and hat campaign.
There might also be
boater, leghorn, panama, panama sumbrero, mandaragat, espumadera, dayami sumbrero, porkpie, porkpie sumbrero, Beaver, and castor.
I've been watching a lot of "Doctor Who" lately and saw "The Dark Knight" a few times, and it seemed like The Doctor probably wouldn't put up with Batman for too long, and the Joker even less.