The Dismemberer

 is a unique axe which is added to Fallout 3 with the Point Lookout add-on. It can be repaired with axes.

Obtaining
This axe can be obtained by completing Plik's Safari.

Bugs

 * If this weapon is equipped during the Megaton explosion, its damage may increase to 400321. Although this may seem great, every time you try to attack, the game crashes. (confirmed Xbox 360)

Appearances
appears in the Fallout 3 add-on Point Lookout.