Here’s Wilhem the Enforcer remade as a Lego Minifigure in Lego Digital Designer. It’s not 100% accurate. I did the best I could.
Because his hair and beard are colored brown and grey, I decided to go with all grey seeing as there are no multi colored Lego hair pieces that I felt would work.
The rocket launcher was made from a Lego Camera, three round Lego pieces, a small Lego Nose Cone, and a flat 1x3 Lego plat on the side.