Pictured in quick sketch: Necromundan wallclimber of the wealthy Blacksquid tech clan. Suit rivets or disks are a stylized mimic of suction cups, while the forked beard and hair mimics an octopus' many arms. Expensive suction climbers attached to wrists and ankles, in order to leave hands and feet freer for gripping. Suction climbers based upon recovered archeotech pattern.
When I have a look around my old stuff I'll see if anything Guard-related that is worth sharing is in there. Alas, it might be a little while before I sketch and draw again. Need to get on with a promised sculpting commission. But I promise to share anything new in the vein of the Imperial Guard here!