Writers and other public figures have for centuries anagrammed their names to form pen names. The most famous example is VOLTAIRE, whose real name was Francis Marie Arouet, from which he anagrammed AROUET L.J. (Arouet the younger). In the old days, I and J were interchangeable, as were U and V.
Micaelsen, O. V.
Word Ways: Vol. 26
, Article 20.
Available at: https://digitalcommons.butler.edu/wordways/vol26/iss2/20