Springfieldian

Springfieldians are a species of yellow-skinned humanoids. They came out from a FOX animated series, The Simpsons. When brought to real life Earth, it was believed that they were originated in the continent of Asia, but has now spreaded across the world. They even made an American city-styled (and with Chinese culture) city state (similar to Singapore) of Springfield, located near Shanghai. They don't say bad words, nor they don't do sexual activities due to the intolerance of sexual content and swearing. Also, they seek forward to use renewable energy other than nuclear energy as well.