Tenzen, also known as Tenzin, is a character from the animated television series "The Legend of Korra," which is a sequel to the popular series "Avatar: The Last Airbender." Tenzin is the son of Aang, the previous Avatar, and Katara, and he serves as a mentor and guide to the new Avatar, Korra. 

Tenzin's personality can be described as serious, responsible, and dedicated. He takes his role as the last surviving Airbender very seriously and is committed to preserving and rebuilding the Air Nomad