From Artist Nemo Gould:

Here we have a giant, multi-armed, multi-faced, dual-zombie-powered, mercury-activated, electro-mechanical monster!

Materials:

Radio cabinets, pool table legs, table top, table legs, coffee pots, pipe elbows, bean scoops, panel meters, truck horns, thread spindles, slide projectors, truck wheel hubs, shoe stretchers, serving tray, chair and lamp elements, mercury switch, water valve handles, motors, LEDs, aluminum scrap, mechanical linkages, etc. [Source]

[Nemo Gould | Via IO9]