Fire from the wrists,
TNT head with partial Creeper face wrap-around,
Death's/Reaper's hood, (worn, not hanging off the back)
Chainsaw on the back, (scythe too if possible)
Use the linked to skin to fill in anything left over, modify as neccessary.
some advice about making camouflage, you seem to know how to use noise, but not layered noise.
actual camouflage is not just a single color with noise on it. its composed of a pattern of themed colors in order to blend in. better camo can be made by making those colors first and then adding the noise: