Oh, I didn't know that Oda used the pseudonym of Tsuki Himizu Kikondo (月火水木金土), which are Monday, Tuesday, Wednesday, Thursday, Friday and Saturday, which the Kanjis are related to Moon, Fire, Water, Wood, Metal and Earth, which also the Kanjis are related to Moon, Mars, Mercury, Jupiter, Venus and Saturn, basically the Gorosei.
Crazy.