Short answer, I doubt it. Titles, domain names, and musical group names are all examples of things that explicitly can not be copyrighted. Here's the source: h

Short answer, I doubt it. Titles, domain names, and musical group names are all examples of things that explicitly can not be copyrighted. Here's the source: https://www.copyright.gov/help/faq/faq-protect.html https://www.copyright.gov/help/faq/faq-protect.html You may be thinking of trademark. If your online handle is a trademark, you can exclude others from using it in trade. Linus Torvalds owns the trademark to "Linux" but has licensed it perpetually for free: https://en.wikipedia.org/wiki/Linux_Mark_Institute https://en.wikipedia.org/wiki/Linux_Mark_Institute