Gerard recently spoke about The Umbrella Academy's inspirations and where certain characters' traits came from, and admitted that they are partly a reflection of his former bandmates in My Chemical Romance.
"Being in a band is like being in a dysfunctional family and all these personalities are really distinct and really big, not just the people in your band, but the people you meet on the road or the crew that you work with and all this stuff," he told Rolling Stone. "A band especially is a dysfunctional family, so there’s little bits of me in all the characters, there’s bits of some of the guys in some of those characters and the different roles that we would play in the band and how those roles would change sometimes. We were in a big pressure cooker of fame and notoriety and the characters experience that in the comic and the show."