John Allison is the artist and writer of the popular webcomics Bobbins, Scary Go Round, and Bad Machinery, which won the British Comics Award for Best Comic in 2012 and is now collected by Oni Press. Giant Days was his first time writing for another artist, a skill he continued to hone with By Night and Wicked Things, and did not continue with Steeple, which he both writes and illustrates. He lives in the UK, somewhere between John O'Groats and Land's End.
Lissa Treiman was born in the city of Los Angeles and has never managed to leave. After graduating from CalArts with a degree in cartoons, she began working as a story artist at Walt Disney Feature Animation in 2007, where she has contributed to many films, most recently acting as Head of Story on the feature film Strange World and directing an episode of the Baymax! series for Disney+. Giant Days was her first foray into published comics, a medium which has always held a prominent place in her heart.
Max Sarin is a Finland-based cartoonist, best known for their work on the Eisner Award-winning series Giant Days. Their cartoony style can also be found in Wicked Things by John Allison and in Harley Quinn: The Animated Series: The Eat. Bang! Kill. Tour.