Monica Rambeau is a Marvel superhero, who has used the name of Captain Marvel, Blue Streak, Monica Marvel, Lady-of-Light, Daystar, and Photon. She is 5 feet 10 inches (1.78 meters) tall, and she weighs 130 pounds (59 kg). She debuts in the "Magical Spider-Man Yearbook". Monica can transform herself into any form of energy in the electromagnetic spectrum, including cosmic rays, gamma rays, x-rays, ultraviolet rays, visible light, radio waves, infrared rays, microwaves, and neutrinos. Monica can maintain her energy form indefinitely, and she can quickly switch between different forms of energy.