First appeared in the novel by author Stephen King. IT is described as an extremely ancient creature that existed before the Earth. During the formation of the universe, there are two powerful entities that appear to represent two sides of life. One is Maturin, a giant turtle and the one who gave birth to the universe. The other is the embodiment of IT, in the form of a deadly orange light. Most ordinary people cannot see this light directly, otherwise they will die or lose their mind.