Low poly steampunk Victorian gentleman, stylized minimalist design, geometric top hat with simple brass details, angular goggles, blocky tailcoat with copper buttons, faceted mechanical arm with glowing blue energy tubes, simplified utility belt with geometric vials, low poly brass energy pistol with cyan core, clean flat shading, cel-shaded lighting, geometric shapes, minimalist textures, stylized proportions, game-ready 3D model, Unity/Unreal compatible topology, optimized mesh, cartoon steampunk aesthetic, vibrant colors, clean polygonal geometry