While no one knows exactly how old Dobby is, his birthday is public knowledge. Dobby was born on June 28. While this may seem like just any other date, it's actually the same birthday as J.K ...

"Why has Claudia Winkelman just informed me that Dobby was Toby Jones ... Boy Deserves Favour" at the National Theatre, and "The Birthday Party" at the Harold Pinter Theatre.