Question

A pen used by an author is called​

Answer 1

A pen name or nom de plume is a pseudonym adopted by an author.

Answer 2

They can't publish under their real name.

Today, many writers may use pen names to disguise their true identity for their day jobs, not wanting their bosses or colleagues to know that they write a particular genre and be subject to scrutiny or embarrassment.

I hope it helps you mate ✨