Considering that we already have HK, Revan would certainly be the most likely. He is much more know than Nihilus, considering his role in KotoR and SWToR. Because of his Jedi origins, he could also fill the spot of a Sith supporter with heal/despell, something that wouldn't fit Nihilus that well.
Replies
http://imgur.com/oSiPn5l
Source?
Where dat link at
Right here ^^
I saw it on the Internet, and the Internet never lies.
Oohhh is that cake!?
- Abe Lincoln, 1863
Nah, I'm a U.S. Historian. It's definitely George Washington during the Battle of New Trenton, 1776.
No s** for me... My apologies to the devs lol.
https://youtu.be/LAsb_qWh2qc