Weasel

Rheaunalt Lensenbrink AKA Weasel. A mercenary who is said to be Solid Snake's equal, although he does not particpate as a field agent in the mission. He provides information about Black Chamber and weapon usage to Snake. His true job is to kill Snake's support crew and prevent them from exosing the truth about Gardner. However, he takes a like to them and decides to spare them instead.