Grommash
Know Your Lore, Tinfoil Hat Edition: Time as a river
We've been told by Nozdormu (who himself was told by Aman'Thul, highfather of the Pantheon of Titans - or so we are told) that there is one true timeline. With the existence of this Draenor, that would seem to be false. But what the Titan meant by one true timeline has never been fully explained.