Emma Swan

Emma Swan, also known as the Savior, formerly as the Dark One or the Dark Swan,

briefly as Princess Leia, and alternatively as Princess Emma is one of the main characters in Once Upon a Time and a character in its spin off, Once Upon a Time in Wonderland. She was portrayed by Jennifer Morrison and by Abby Ross and McKenna Grace as a young child.

Emma is an allusion to the ugly duckling from the fairytale of the same name and an allusion of Odile, the Black Swan.