Originated from the rainbow goddess in Greek mythology. She is the daughter of Thaumas, the son of Pointus and Gaia, and the cloud nymph Electra. It's been said that she is the personification of natural phenomena. Rainbows are regarded as a medium that connects the sky and the earth, and Iris is described as God's messenger. Then if I see an artificial rainbow, does it mean that Iris is delivering God's message to somebody?