MEllerby was a wizard or witch who worked along with Spudmore and created the Black Forest Broomstick Company Ellerby and Spudmore. They first created the Tinderblast and then the Swiftstick.
Behind the scenes
- The first name of Ellerby is never revealed, besides if this is his or her first name. But it is most likely a surname.
- Ellerby's name is only said in the Broomstick Company name Ellerby and Spudmore which is only mentioned in Quidditch Through the Ages.