Sure, there is. However, its distribution and accessibility might vary depending on the region and the platform. Sometimes, it could be a limited release or exclusive to certain comic conventions.
One possible plot could be that the Doom Slayer somehow ends up in the Hazbin Hotel universe. He might initially be seen as a threat due to his violent nature. But then, they realize he could be an asset in dealing with some of the more dangerous demons in the Hazbin Hotel world. For example, he could help Charlie and her crew deal with some of the more unruly and powerful demons that are causing trouble in and around the hotel.
One common theme is the power dynamic. Alastor being a powerful demon and the reader usually being a more ordinary (by Hell's standards) character. Another is the idea of redemption. Maybe the reader tries to 'redeem' Alastor in some way. Also, there's often a theme of mystery, as Alastor has many secrets.
Sure was! The concept of Hazbin Hotel first emerged in the form of a comic. This laid the foundation for its expansion into different creative outlets.
Another theme is growth. Fanfictions often show Charlie and Vaggie growing both individually and as a couple. For example, Charlie might learn to be more assertive in her relationship while Vaggie might become more open - minded, and these changes are usually related to the challenges they face together in running the hotel or dealing with other demons.
In Hazbin Hotel fanfiction with Alastor x Reader, Alastor is often depicted as a complex character. He's charming yet menacing. His radio - themed appearance and mannerisms add to his allure. He's a powerful demon, and in these fanfictions, his relationship with the reader can range from a dangerous flirtation to a more protective bond.