Blue Planet
Blue Planet is a guild member of Ainz Ooal Gown and regarded as one of the 41 Supreme Beings by the NPCs of the Great Tomb of Nazarick. He is described as a nature lover. He is shown as warm and gentle person, who loved to look at the night sky. He enjoyed spending most of his time on the 6th floor, creating his own ideal world. Blue Planet spent most of his time crafting and redesigning the sixth floor. (Source: Overlord Wikia)