Rah'Jan's design wasn't an easy one to finalize, even though it isn't too complicated. He'll be the main villain in Tree of Life story, so shaping his design and personality was a lot harder than the other character's.
A lot of you have asked why I chose a goat skull as his head. I chose that because I wanted to make his design simple yet intimidating, and it was challenging to make him scary without big pointy teeth or spikes. And I didn't want to make him look like a feral animal either, because that way his intimidating look would only come from his unpleasant animal appearance. I wanted to build up his intimidating aura from other things.
His fur is dark red because I wanted it to resemble blood.
Because he has a skull for face, it was a challenge to make it expressive as well. So I gave him this purple goo-flesh to be able to move his face. 'Cos you know, magic.