Didn't see them on the front page (or anywhere else for that matter), thought I'd list them for those interested.
Most of these are guess-work, if anyone finds any mistakes just point them out and I'll edit them.
Code:Gate of the Setting Sun <Name>, Defender of the Wall Mogu'shan Palace Mogu-Slayer <Name> Shado-Pan Monastery Purified Defender <Name> Siege of Niuzao Temple Siegebreaker <Name> Stormstout Brewery Stormbrewer <Name> Temple of the Jade Serpent Jade Protector <Name> Scholomance Darkmaster <Name> Scarlet Halls Flameweaver <Name> Scarlet Monastery Scarlet Commander <Name>
Those titles are temporary, meaning you only get to keep them as long as you have the realm-best time for the according Challenge Mode Dungeon.
Although I mostly likely won't ever obtain one of those I still like the idea.