Greg Jenner is a public historian best known as the host of the hit BBC podcasts You're Dead To Me and Homeschool History, his work on BBC's multi-award winning TV series Horrible Histories, and for his books Dead Famous: An Unexpected History of Celebrity, From Bronze Age To Silver Screen and A Million Years In A Day: A Curious History of Everyday Life From The Stone Age To The Phone Age. He is an Honorary Research Associate at Royal Holloway, University of London.

Rikin Parekh is a children's book illustrator based in North West London. He has two art degrees from Camberwell College of Arts and the University of Westminster.

His past jobs include working in a primary school and as a film production illustrator on monster movies. Rikin has a vast collection of comic books and comic art and he LOVES eating pizza ... any time, any place! Therefore, you could say Rikin was a match made in pizza heaven for Iguana Boy!