A Mary Sue is a seemingly perfect character. Basically, if female Mary Sue writers go overboard about making sure that the reader knows how crazy, gorgeous and revealing each of their character's one-per-chapter new costumes is, male Marty Stu writers will do the same about the exact model of revolver he uses and what cartridges he puts in it to kill what kind of monster, or precisely how he souped his Jaguar E-Type V12 up to 500bhp. History Original Work: "A Trekkie's Tale" See Timeline of Mary Sue Meta. Mary Sue is a derogatory term primarily used in Fan Fic circles to describe a particular type of character. They have little to no flaws. That character is a gary stu. Their male counterpart is a Gary Sue or a Marty Sue. You need to add flaws into his character. Often times they have a tragic backstory, being abused, abandoned, etc. In Australia, the male version was a Marcus Sampson or simply Mark-Sam. The male version of a Mary Sue is a Gary Stu or a Marty Stu. Male Mary Sues are sometimes called Marty Stu or Gary Stu, often associated with James Bond and Superman. What that character type is, exactly, differs wildly from circle to circle, and often from person to person.. TV Tropes doesn't get to set what the term means; the best we can do is capture the way it is used. Gary Stu A male version of a Mary Sue. This much everyone can agree on. seemingly perfect character with no flaws, or who always overpowers other characters. If you look up the definition of a Mary Sue now, you might notice a footnote that says some version of, "The male version of a 'Mary Sue' is called a 'Marty Stu' or a 'Gary Stu.'" Mary Sue type characters do exist in both fan fiction and canon. Mary Sue is most frequently used as a noun (a Mary Sue) or modifier (a Mary Sue story), although it may also sometimes appear as a verb, to Mary-Sue, meaning “to insert oneself into a fictional story/character.”.