Rum Tum Tugger creator, male, muscular build, messy brown hair, thick beard, glasses with thick frames, white shirt with rolled-up sleeves, dark blue overalls with pockets, holding a large wrench, standing in front of a wooden workbench, cluttered with tools and machinery parts, dimly lit workshop, industrial setting, metal shelves in the background, old clock on the wall, warm yellow lighting, 3/4 composition, close-up on face, detailed facial features.