Who would/wouldn't you wanna see in X4?

Which characters would you wanna see in x4 if they decided to make a 4th?

Please don't start repetitious threads. There is an X4 thread already here started by Vinny Valentine
http://www.killermovies.com/forums/f49/t400840.html
Please use that for all sorts of discussions for the possible movie. Or alliteratively read through the X4 scripts thread. This consists of fans ideas for the forth movie. The link is in my sig or here below.
http://www.killermovies.com/forums/f49/t408137.html
Thank you.
Cain,