1. Alucard: This is a name that often appears in the series of Devil City, meaning "the first birth" or "the earliest ancestor". In the game, Arouca Duo has also become an iconic character, so the name is related to the theme of the game.
2. Claudia: This name is not very common in the game, but it is a feminine name, which echoes the female characters in Demon City.
3. Morris: This name is not common in games, but it is a male name, which can remind people of Maurice Wallenstein, a character who appeared in the series of Devil City.
4. Lilith: This name is not common in games either, but it is a female name, which can be reminiscent of Lilith de la Rosa, a character appearing in the series of Devil City.
5. Vara: This name is not common in games either, but it is a male name, which can remind people of Varakuin, a character appearing in the series of Demon City.
in addition to the above names, you can also choose other names related to the demon city series or your favorite names. Most importantly, the name should be able to attract your attention and that of others, and it should be consistent with your persona.