Rowling jokes

What is Harry Potter's favorite way to get down a hill? Walking, JK Rowling.

What's Harry Potter's favorite way of going down a hill?

Walking. JK, Rowling.

How did Harry Potter get down the hill? Walking... J.K. Rowling.

What's white but not black, and red all over?

J. K. Rowling after attending the world premiere of the next Matrix movie.