User blog comment:Sheepman/Just a little blog to say:/@comment-109.78.123.117-20100615133547

A 'Mary Sue' is a female (main) character (gah! can't spell it!) who is unfailingly good in every sense. A Heroine, without any dark side, failings, anything. Two-dimensional. For further properties of the Mary Sue, read Twilight.

-NAE

PS:the male version is a 'Gary Sue'.