The cartoon image of "Onion Head" series was created by Taiwanese cartoonist Ethan in 2006. "Onion head" has four main characters, the hero is called onion treasure, the heroine is called onion sister, and there is a villain called ancient confused onion, and onion treasure always calls him stunted onion or ancient confused onion. The special role is the painter himself, called "onion e" On the official blog of Onion, there is a special column called "Onion E loves to wrangle". Ethan said that the onion was painted for fun, and it was made according to his own appearance.