From the Harry Dresden wiki page:
"Harry Blackstone Copperfield Dresden is a fictional detective and wizard. He was created by Jim Butcher and is the protagonist of the contemporary fantasy series The Dresden Files. The series blends magic and hardboileddetective fiction. In addition to the fifteen The Dresden Files novels, he has appeared in fifteen short stories, as well as a limited series comic and an unlimited series comic. He was also adapted into a character by the same name for the TV series version of the novel series, also called The Dresden Files."
TWBM is unable to whistle.