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