I'm very interested to see how Xiba will play, though I believe he will end up being similar to Kilik. In the combat screenshots they have of him I can definantly catch the similarities just from the poses. They, in fact, look exactly like Kilik's moves.
#1: While Rising K
#2: 8K
#3: Looks very...
Looks like Raph to me.
Female, I'm shooting for Tira or Talim. She's not holding any form of weapon, so I'm not saying just based on the
stance it's Taki, especially since the look of the outfit isn't really anything like what she's been portrayed as previously.