Dr. Light II is Kimiyo Hoshi. She is a superheroine.She is potentially one of the most powerful superheroines.Doctor Light II has joined the Justice League a few times over the years. While a member of the Justice League, Doctor Light II formed a significant friendship with The Flash.Doctor Light II has the ability to manipulate ambient light for a variety of purposes. She can absorb all forms of illumination, and release that absorbed energy as blinding flashes of light, or destructive laser beams. She can refract lightwaves to create holographic images. Doctor Light can focus photons into hard light (a fictional form of energy which acts like a solid object), and fire blasts of pure force or create protective barriers. She can fly by riding lightwaves. She can also turn into light. Her weakness is she needs a light source to fuel her powers, and being placed in an area of absolute darkness severely weakens her abilities.