Miss Martian is a White Martian known as M'gann M'orzz. She serves as a member of the Teen Titans during the year between the events depicted in Infinite Crisis and the "One Year Later" stories. On Earth, she simplifies her name to Megan Morse.
Miss Martian (real name M'gann M'orzz, alias Megan Morse) is a superhero in the DC Comics Universe. Miss Martian was created by Geoff Johns and Tony Daniel and first appeared in Teen Titans #37 (2006). Miss Martian is named "Megan Morse" after Marvel Comics associate editor Ben Morse's wife, Megan. Morse is a friend of Johns'.