Horrid Henry's Theo Stevenson and Mathew Horne on movie
A boy wizard has dominated our cinema screens for the past decade, but now a naughty schoolboy is here to steal the limelight. Step forward, Horrid Henry.
The Horrid Henry books by Francesca Simon have sold millions of copies and been turned into a hit TV show.
And now 13-year-old Theo Stevenson from Essex is bringing the character to life on the big screen.
Theo and his on-screen dad, played by Mathew Horne, tell us what to expect from the first movie...
Horrid Henry: The Movie pictures courtesy of Vertigo Films