Blue is a theorist, he loves solving the mystery of the world, he's wearing a blue cap on his head. Green is happy, cheerful, and smart, he wearing a green shirt, he has black hair. Yellow is the leader, he's brave, encouraging, and helpful, he's wearing a yellow shirt, he has brown hair. They all have skin that is the color white and they have thin stick legs. They all help each other and care for each other.