Noh-Varr is a fictional superhero appearing in American comic books published by Marvel Comics. The character is most commonly depicted as using the codename Marvel Boy. He first appears in Marvel Boy #1 (Aug. 2000) and was created by writer Grant Morrison and artist J.G. Jones. He later appeared in the Civil War: Young Avengers/Runaways and the New Avengers: Illuminati limited series. After his appearance in Secret Invasion, he joined the Dark Avengers as Captain Marvel. He was a member of the main Avengers team as Protector. As Marvel Boy he was a part of the Young Avengers, West Coast Avengers and Guardians of the Galaxy.