pseudonyma
Pseudonyma are fictitious names adopted to conceal or manage a person’s public identity. The term derives from Greek pseudo- “false” and onoma “name,” and denotes the practice of using an alternative name instead of a given one.
They serve purposes such as artistic branding, privacy, safety, or audience segmentation. Pseudonyma include pen names
Notable examples include Samuel Clemens as Mark Twain, Charles Lutwidge Dodgson as Lewis Carroll, Theodor Geisel
Legal and ethical aspects include questions of accountability, copyright, and defamation. Some jurisdictions require real names