Can't you use a normal fantasy name instead?
https://en.nostalrius.org/terms-of-useA. Naming policy
When choosing a character name, creating a guild, or otherwise creating a label that can be seen by other users using the Game or the service, you must abide by the guidelines set forth here, as well as the rules of common decency. If Nostalrius staff finds such a label to be offensive or inappropriate, it may, in its sole and absolute discretion, change the name, remove the label and corresponding chat room, and/or suspend or terminate your use of the service. Guilds which violate the policy will be deleted with or without warning. You may not create a name or label related, referring, incorporates or utilizes any of the following:
Religion, Politics, Organizations;
Nationality, Racism, Ethnics;
Harassment or Defamation;
Obscenity, Vulgarity, Insults;
Sexually explicit, Violence;
Hateful, Drugs, Unlawful;
Staff member or any staff oriented name;
Incomprehensible.