Who would buy a mask signed by Hollywood undead?

A mask signed by Hollywood Undead would likely attract fans of the band, particularly those who appreciate their unique style and music. Collectors of memorabilia, especially from the alternative and rock genres, would also be interested. Additionally, individuals who enjoy attending concerts or events where the band performs may seek out such items as a way to commemorate their experience. Overall, it would appeal to a niche market of dedicated fans and collectors.