Executioner (Lords of Shadow)

The executioner is a boss featured in Castlevania: Lords of Shadow - Mirror of Fate and is somesort of mutated Hunchback that they have bred.

Appearance
The executioner seems to be a humanoid creature with a piece of black cloth on its upper half of its body except for its mouth (poosibly for breathing?) with some spikes on its back. It has a huge axe but is not very intelligent.