Adam Wallace (Author): Adam  writes every single day, has sold over 12 MILLION books, and been on the New York Times Bestseller List for over 5 years in total. Adam loves hats (he has more than 20!), Disney musicals (especially Hercules and The Emperor's New Groove), and superhero movies and comics (especially The Incredible Hulk)!

​James Hart (Illustrator): James has illustrated SO MANY books, for people like Anh Do, Tim Harris, Adam Wallace and George Ivanoff. James has won awards, worked on animated TV shows and has lots of hats ... including this cool bowler hat!

​Drew Lane (Music composer/Producer): Drew composes music, creates school musicals and school songs, has written and performed in professionally performed musicals, and is basically an all-round legend! He is also an avid cap wearer!

​Sarah Jeffs (Musical advisor - and voices of females and felines): Doing cheeky voices was always a fun laugh on stage for Sarah, but now it’s even more fun because she has met such amazing people on this project! She has dabbled in hats in the past and is now loving her current favourite: her Molly Ringwald hat!

​Kristy Lund-White (Designer): Kristy is a cheerful scatterbrain, working as a freelance graphic designer for Australian publishers, editors, authors and illustrators. She has been working in publishing since 2003, specialising in children's titles and lettering art. She often wears a tennis hat, but doesn't play tennis.