Los Angeles: Celebrated author JK Rowling has written a biography of the lesser-known "Harry Potter" character, Celestina Warbeck, on a fan site.


JK Rowling 

The Scottish author published the profile of the singer, who is referenced in the popular wizarding book series, though never appearing directly, on fan site - Pottermore - after describing her as one of her favourite unseen characters and likening her to Welsh superstar Dame Shirley Bassey, reports contactmusic.com.