Books·Posted on Jan 6, 2016Find Out Your Badass Harry Potter Roller Derby NameAre you more Hermione Mangler or Professor RumbleMore?by Andy GolderBuzzFeed Staff LinkFacebookPinterestTwitterMail Click to get your name. Re-roll it if you don't like what you got! Have a better idea for a name? Let us know! Tap to play GIF Tap to play GIF