Identify the Mutant

Everyone knows X-men: The Last Stand (opening May 26) is introducing a lot more mutants than just Angel (Ben Foster), Beast (Kelsey Grammer) and Juggernaut (Vinnie Jones). Instead of bringing out the more popular, I believe they opted for mutants that people won't complain much about. Kids from the last movie are back such as Kea Wong as Jubilee, Shauna Kain as Siryn, and Bryce Hodgson as Artie. Ellen Page is the third Kitty Pryde who is Bobby Drake's new squeeze after Rouge chooses to go for that mcguffin cure. My only tiff with Kitty's uniform is that it is outlined with pink. Here is a list of others that may be hard to identify:

Callisto
Actress: Dania Ramirez was one of those cute potentials from the last season of Buffy the Vampire Slayer named Caridad who made a move on Xander in a dream. She is from the Dominician Repulic. Funny enough she will play a character called Angel in movie The Fifth Commandment.
Comics: Her first appearance in Uncanny X-men #169, a mutant with superhuman strength, she started out as a bad guy.

Omahyra Mota as Arclight and Meiling Melançon as Psylocke. There probably be fan-backlash about many of the characters especially Psylocke, her protrayed as a young hoochie. Arclight's power is to create shockwaves through physical contact, usually with her super strength in form of punches.

Quill
Actor: Ken Leung is the guy next to Juggernaut who releases quills from his face.
Comics: First appeared in New X-Men: Academy X #1, his power is the same. He is a good guy, part of the Resistance group.

As for Multiple Man, I covered him here.

The kid at the right side is the same kid from the last movie that flips channels with his eyes. He may be glued to that couch.