Faith Erin Hicks is a writer and artist living in Vancouver, British Columbia. Her published works include The Adventures of Superhero Girl, Friends with Boys, The Nameless City trilogy, Pumpkinheads (with Rainbow Rowell), One Year at Ellsmere and the young adult novel Comics Will Break Your Heart. She has won two Eisner Awards, and Pumpkinheads was a New York Times bestseller. She has written many Avatar comics, including Imbalance, Suki Alone and Azula in the Spirit Temple. Peter Wartman is a cartoonist living in Minneapolis, MN who has worked on graphic novels for properties like Avatar: The Last Airbender and the Dragon Prince. He's interested in stories about history, technology and myths, and the way all those things interact. Adele Matera was born in Calabria, Italy. After completing her studies at the International School of Comics in Digital Coloring she began working as a colorist for Titan Comics on the Doctor Who comics series.

She moved to Rome and began working for the Italian market in 2017 for Sergio Bonelli Editore on Dragonero and Orfani . After in 2018 she began working for Dark Horse in Avatar: The Last Airbender, which she still works on today. She also works on Nero , Il Confine and Eternity for Sergio Bonelli Editore.