Alternatively, of course, there must be such things in the galaxy as the Sword of Blind Fury, or the Black Axe.
As long as you're clear with your opponent what's what, Bob's your uncle, Fanny's your aunt, take whatever you like!
For example, I'm doing a version of a Biker lord with a Black Mace (axe model), with two Chaos Spawn chained to his bike. Except I don't like gribbly tentacle monsters, so I'm using a couple of the new Gorebeasts from the Chaos Chariot.