Moon Girl (Lunella Lafayette) is a fictional superhero appearing in American comic books published by Marvel Comics. She first appeared in Moon Girl and Devil Dinosaur #1 (November 2015) and was created by writers Brandon Montclare and Amy Reeder,[1] and artist Natacha Bustos.[2] Lunella is a 9-year-old girl who is described as the smartest character in the existing Marvel Universe.[3] Somewhat replacing Moon-Boy, she is paired up with Devil Dinosaur, with whom she shares a mental link due to being an Inhuman.