Mark Gibbons (aka Red Knuckle) is a Blizzard employee and the seventh "Son" of Sons of the Storm. He is the current lead concept artist for World of Warcraft.
His most popular works include the logo for Worldwide Invitational 2008.[1]
Gallery
Low-caste earth elemental
Faceless one caster
Gallywix in a custom shredder
Gilnean human
Crane mount