Gluttony, pronounced as tāo tiè, is the fifth son of the legendary dragon and a fictional mysterious monster. The ancient book Shan Hai Jing introduced its characteristics: sheep body, eyes under the armpit, tiger teeth and claws, big head and big mouth. He is so greedy that he eats everything he sees. Because I ate too much, I was finally killed. Later, people used the word "gluttony" to describe insatiable people.