The Jade Emperor is known by many names, including Heavenly Grandfather (天公 Tiān Gōng) which is used by commoners; the Pure August Jade Emperor, August Personage of Jade (玉皇上帝 Yu Huang Shangdi or 玉皇大帝 Yu Huang Dadi); the Xuanling High Sovereign; and his rarely used, formal title, Peace Absolving, Central August Spirit Exalted, Ancient Buddha, Most Pious and Honorable, His Highness the Jade-Emperor, Xuanling High Sovereign (太平普度皇靈中天至聖仁義古佛玉皇大天尊). A crater on Saturn's moon Rhea, discovered by Voyager 2 spacecraft, is named after him.