The Weapon X is a program that takes mutants and alters their power. Me (Deadpool) and Wolverine have both been
through the weapon X program.
X-23: clone of wolverine.
Wolverine : a mutant with altered metal claws and a mysterious past.
Deadpool: a merc with a regenative powers and super-human reflexes. (And an awesome guy.)
Lady Deathstrike: mutant foe of wolverine with metal nail claws.