He also wrote Collapser with Mikey Way for DC Comics and The Umbrella Academy spinoff prequel series based on Klaus Hargreeves titled You Look Like Death.
[2] Shaun Simon is the former keyboardist for the New Jersey band Pencey Prep, which he founded with Frank Iero and John "hambone" McGuire.
[4] The series was drawn by artist Becky Cloonan and edited by Sierra Hahn.
In 2020, he co-wrote You Look Like Death: Tales From The Umbrella Academy and The True Lives of the Fabulous Killjoys: National Anthem with Gerard Way.
Simon has also worked outside the comics medium and was the winner of the Predators and Editors readers poll for his flash fiction story "Snowman".