NXT Champion Kevin Owens is indeed backstage at Raw and he will likely be appearing on the show tonight to hype his match on Sunday against John Cena at Elimination Chamber.
Chris Jericho has had his Twitter account hacked by a group called Galvanize Mob and it looks like his Instagram has been hacked as well.
The group has been sending vulgar tweets to to Triple H and Vince McMahon all morning. You can see some screenshots HERE and HERE.