Diana is the first name of Wonder Woman, a fictional superheroine created by American psychologist and writer William Moulton Marston. She first appeared in All Star Comics #8 in December 1941 and has since become one of the most iconic and powerful female characters in comic books and popular culture. DIANA is an Amazonian princess from the island of Themyscira and is the daughter of Hippolyta, Queen of the Amazons.