Rogue
Rogue Wolverine Vol.1 #54,69-71,75,125-126,131,145-146,159
Wolverine Vol.3 #12,25
Rogue is the foster duaghter of Mastique. Rogue's mutant ability is to absorb anybody's power just by touch. Rogue first encountered the X-Men as an enemey, during a fight Rogue stole Ms. Marvel' powers of flight, strength and invulnerability. Rogue ended her life of crime, when she came to Professor X to help her with her powers. Wolverine and Rogue formed a bond of trust, when they had to save the rest of the X-Men from a pioson.