video game character, Chell, Portal series, female, athletic build, orange jumpsuit, white tank top, long brown ponytail, determined expression, handheld portal device, blue and orange portals, physics-based puzzles, Aperture Science laboratory, sterile environment, white panels, companion cube, GLaDOS, robotic voice, first-person perspective, dynamic shadows, ambient occlusion, high-resolution textures, action pose, jumping through portal, mid-air, futuristic, science fiction setting, clean lines, minimalistic design, cool lighting, wide-angle shot.