There are several variations with less spikes, presumably to save the molds.
Sculptor:
Alan & Michael Perry
Painter:
Griffin Painting
BC6 Chaos Dwarf Renegades
Drum & Drone Ulsen - v1
Drum & Drone Ulsen - v2
Khazek Doomlord
Foaming Mad Furrikson
Doomaxe the Dreaded - v1
Doomaxe the Dreaded - v2
Mad Marik Trollbiter - v1
Mad Marik Trollbiter - v2
The Master of Madness
Napper Grundin
Pulper Spikehead - v1
Pulper Spikehead - v2
BC6 Chaos Dwarf Renegades
painted by Dale Hurst
Khazek Doomlord
Doomaxe the Dreaded
Pulper Spikehead - v1