The Jade Emperor, Heavenly Grandfather etc.

 This man on a cloud is the Jade Emperor. The jade Emperor is the ruler of heaven earth and hell. He is the absolute most important in the god list to the Chinese tradition of religion. The Jade Emperor also goes by Heavenly grandfather and the pure August Jade Emperor. His full title however is Peace Absolving, central August spirit Exalted, Ancient Buddha, Most Pious and Honorable, His Highness the Jade-Emperor, Xuanling High Sovereign. Now you can see why the full title is rarely used. He has a huge empire above the clouds in the sky.