I've been looking for a chaos dwarf for a little while for using in our games of Warhammer Quest (we've been using the Quest rules with a mixture of regular adventures and some from Warhammer Fantasy Roleplay). He started out posing as a cleric of Verena but has since contracted Nurgle's Rot and found the Crown of Sorcery, so he's well on the road to chaos.
When I heard Bob Olley had sculpted some Chaos Dwarfs for Essex miniatures I had to give them a look. Mr Olley is part of the holy triumvirate of sculptors for me, Kevin Adams and Mark Copplestone being the other two.
'Q102 Chaos Dwarf: Three assorted Chieftains' (http://www.essexminiatures.co.uk/collections/25mm-fantasy-dwarfs/products/q102) looked the most suitable. Even if they hadn't been in the sale would have pretty good value at £5 for three miniatures.
Style-wise these are definitely old-school, the proportions are a long way from the more modern 'realistic' sculpts. Depending on your view point this may or may not be a good thing.
There is nice characterful detail on the cloak, and if the hat and shield don't do it for you, you probably have no soul.
In terms of size, he sits at the smaller end of the spectrum. Pictured above, from left to right: Reaper, Heartbreaker, Essex, Wargames Foundry, Black Scorpion and Games Workshop. As you can see, if it wasn't for his funky hat he'd be half a head shorter than most. But then how tall is a dwarf? His exaggerated proportions also help hide the disparity.