In Gamespot’s “The Next Big Game” Coverage of Evolve, in one video (this one http://www.youtube.com/watch?v=Mg5o4LUA1zo at the 20 second mark) Bucket Namedrops several hunters, all of whom are known.
Except Abe. Abe we haven’t heard about before. New Class? NPC? Is a mystery.
Now if only this had happened for the third monster.