Stephan Lomp has been writing and illustrating books with publishers in Germany, the UK, France, Spain, and the United States since 1996. He lives with his family in Dusseldorf, Germany.

Amy Pixton is a mother of triplets who created Indestructibles after her mother-in-law, the artist Kaaren Pixton, began painting murals on Tyvek construction wrap. She lives with her family in Kansas City.