Georgios Hatzis (Greek: Γεώργιος Χατζής, 1881–1930), also known under the pen name Pelleren, was a Greek author and journalist.Hatzis was born in Ioannina, northwestern Greece, when the city was still part of the Janina Vilayet of the Ottoman Empire. He graduated from the Zosimaia School of Ioannina and then went to the University of Athens, where he studied Medicine. However, he could not finish his studies due to financial difficulties.