4 arms production model.
This character was pretty straight forward the only real big decisions was choosing to keep his lower arm set separate from the torso. This allowed the character to be put in extreme poses and play his second set of arms to the camera without any texture stretching to the torso.
Animation by: https://www.artstation.com/artwork/gJb5Om
Rig by: https://www.artstation.com/selina_o