Pen names exist for a reason, and there are plenty of authors out there writing in multiple genres under multiple pen names and making diversity work for them.
Most accept the plausability that much of Moses culture and mythology could have been an amalgum of multiple real persons or at least multiple authors penningunder his name.
No, you can certainly use your real name, but many authors do publish underpennames, and I just wanted to stress that you can have multiple author central accounts (or assigned to) different pennames.