Teo (テオ) is the experienced nomad chief. When Teo first met Sho and Diana he already knew their true identities and revealed to Sho that he personally knew Sho's father Bassen. Teo later becomes the king of Doria when it is taken over by Sho and the nomads. He manages to survive an assassination attempt and gives the position of king to Sho when he returns to nomadic life with Ulsra. The character of Teo is voiced by Takashi Nagasako in the Japanese version and Tony Allan in English.