Cho Chang
Here is what you said about Cho Chang:

       
Cho Chang is a fantastic Quidditch player and an exceptionally bright student, but there is more to her than her looks, skill and brains.  She is the crush of the famous Harry Potter, but when he asked her to the Yule Ball in 1994, she couldn't accept.  Her love life revolved around Cedric Diggory. 
         Cho has a kind and gentle nature, even though others think she is snotty and ditzy.  She is one student Ravenclaw will always remember.
~Lily Evans, Ravenclaw~