Google’s John Mueller said on Twitter that it’s okay to use a pseudonym if you do not want to use your real name as an author name on your website. According to John Mueller, Google does not judge the ‘real-ness’ of author names.
Totally up to you — I doubt Google's algorithms would judge the "real-ness" of author names that you use. Users might though.— 🍌 John 🍌 (@JohnMu) July 18, 2019
E-A-T: expertise, authoritativeness and trustworthiness
Google favors websites that show expertise, authoritativeness and trustworthiness. The tools in SEOprofiler help you to optimize your web pages so that they get better rankings on Google and other search engines: