Well, a frequent theme is adventure. The reader might go on tours or crazy escapades with the band. Love can also be a theme, whether it's platonic or romantic love between the reader and a band member. And of course, the theme of fandom is there too. The reader is usually a big fan of the band at the start, and that's what kicks off the whole story.
One common theme is the exploration of the band members' backstories. Writers often create detailed accounts of their lives before fame. Another theme is adventure. They might be on a quest or journey, like in a lot of the post - apocalyptic or alternate - universe settings. Music is also a big theme, of course, showing how their music affects different situations and people.
One common theme is friendship. Since Danny is part of Hollywood Undead, a lot of fan fictions explore his relationships with the other band members. They show how they support each other through tough times in the music industry.
Well, a common theme is the clash of different cultures. When they cross over with a different genre like a historical setting, there's a clash between the modern punk - rock attitude of Hollywood Undead and the more traditional values of the historical characters. Also, the theme of friendship and rivalry is quite popular. In crossovers with other bands or groups, there are often elements of friendship forming or intense rivalries developing over things like music style or popularity.
One popular Hollywood Undead x Reader fanfiction is 'Lost in the City'. It has a great plot where the reader character gets involved in the band's wild adventures. Another one is 'Unexpected Encounter' which focuses on a chance meeting between the reader and the band members, leading to an interesting story of friendship and music.
Some fanfictions might focus on the theme of redemption. Danny may have made mistakes in his past, either in the context of the band's story or in a more personal sense, and fanfiction could be about his journey to make amends and become a better person. Also, themes related to the music itself, like how Danny's lyrics are inspired by his life experiences, can be explored in fanfiction.
Redemption can also be a theme. Maybe the character became undead due to some bad actions in the game before, and now they are on a journey to make up for it. Another common theme is the exploration of the game world in a new way. Being undead might allow them to access areas that were previously inaccessible, so the fanfiction often focuses on their adventures in these new and strange parts of the game world.
One common theme is identity. Female undead often struggle to define themselves in a world that sees them as monsters. Another is love. They may find love in unexpected places, like with a human or another undead. And power is also a theme. Many female undead in these stories gain or lose power in different ways.
A common theme is the adaptation of Naruto's world to Hollywood standards. This includes making the ninja battles more like Hollywood action scenes with big explosions and flashy moves. Another theme could be the integration of Naruto characters into Hollywood - style storylines, like mystery or detective stories.
I'm not sure it's a widely popular concept. It's a very specific crossover idea. While both Naruto and Hollywood Undead have their own large fan bases, combining them in this way might be a niche thing that only a subset of fans who are into both would be interested in.
Well, often there's the theme of identity. Percy has to figure out who he is now that he's undead. There's also the theme of acceptance, both from himself and from those around him. And a lot of times, the fanfics explore how his new state affects his connection to the gods and his demigod powers.