Pen-name: Facts

the pen-name of the Kannada poet, Karnataka Ratna and Jnanpith Award winner Kuvempu, was derived from his full name "Kuppalli Venkatappa Puttappa", Kuppalli being his native place?
Japanese writer Naoki Sanjugo (literally "Naoki 35") changed his pen-name four times, once per year, to match his age?