Michael Heisler, often credited as Mike Heisler, is an American comic book writer, editor, and letterer who has worked on all of the released Dark Horse Comics-affiliated graphic novel trilogies in the Avatar franchise, as well as each of the Avatar Free Comic Book Day issues.
Avatar: The Last Airbender credits
Graphic novel letterer
The Legend of Korra credits
Selected other credits
Heisler got his start in the industry in the late 1980s as a letterer, primarily for Marvel Comics. From there, he moved into writing and editing, serving as an editor for the revival of the monster movie magazine Famous Monsters in Filmland. Heisler also wrote the Gen¹³ mini-series Gen¹³: Interactive and the one-shot Gen¹³: The Surreal World.