Isabella "Bella" Swan/Cullen
There is no character with the name of Kirsten in the Twilight saga. If you are referring to the actor who played Bella, Kirsten Stewart then she cannot fancy a fictional character, if at all she would fancy the actor who played Edward Cullen - Robert Pattinson.
Yes Edward Cullen
No, Edward Cullen does not have a cow.
The British actor that plays the role of Edward Cullen in Twilight is Robert Pattinson.
Chewbacca, since not everyone knows who Edward Cullen is
Edward Anthony Masen
no Edward Cullen is not single. he is married to Bella.
Edward Anthony Masen (Cullen)
Edward Cullen has tousled bronze hair
Edward Cullen is a fictional character in the book series The Twilight Saga by Stephenie Meyer. So, no he is not real. There is a possiblitity there is someone out there named Edward Cullen. Last name Cullen, first name Edward, but there is no Edward Anthony Cullen.
It means that your dreams are not only influenced by your real life but by your day dreams related to Twilight.
That would have to be Chewbacca, since not everyone worldwide knows who Edward Cullen is