While out searching for this cache have a pen and a piece of paper. Inside each cache will have a code. I've also attached a little bit of information about each character.
Longtime foe of the X-Men and Wolverine. Formerly a member of the Marauders, the Brotherhood of Mutants, and Weapon X. Came to the X-Men for help against the Children of the Vault and joined the team, though he was basically a prisoner while a member. Killed by Wolverine in Wolverine, vol. 3 #55 (2007). Resurrected in Wolverine and the X-Men #3.
Powers: Superhuman strength, enhanced senses, healing factor, and razor-sharp claws and teeth. Highly resistant to telepathic detection and control.