The Dismemberer

 is a unique axe which is added to Fallout 3 with the Point Lookout add-on. It can be repaired with axes. When someone is killed with it, they have a chance of all of their limbs flying off, thus the Dismemberer.

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

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