The specific types of masks that Hollywood Undead members wear can vary and evolve over time, but some common types they have used include:
1. Hockey Masks: These are the most iconic masks associated with Hollywood Undead. The members often wear white or black hockey masks with custom designs or decorations, such as spikes, chains, or symbols.
2. Gas Masks: Hollywood Undead members have also worn gas masks, which add a dystopian and post-apocalyptic element to their visual aesthetic.
3. Surgical Masks: The band has used surgical masks as well, creating a more medical and unsettling appearance.
4. Full-Face Masks: These cover the entire face and may feature elaborate designs, such as animal heads or grotesque facial expressions.
5. Face Paint: In addition to masks, the band members sometimes use face paint to enhance their characters and stage personas. This can include intricate face designs, such as skulls, flames, or symbols.
The masks and face paint worn by Hollywood Undead are an integral part of their artistic expression and stage performances, contributing to their distinctive and memorable style.