Tenzin

Tenzin is the son of Aang and Katara. He is knowledgeable in Airbending, and the new Avatar Korra is searching for him in order to learn Airbending from him.

Confirmed Facts

 * He is the son of Aang and Katara.


 * He is in Republic City.


 * He is an Airbender.
 * Korra's teacher

Rumors & Speculation
These storyline elements remain unconfirmed.
 * In theory, Korra is the spirtual parent of Tenzin seeing as she is the new Avatar. Since Korra was Aang in the past life, that would technically make her the parent of Tenzin in a spiritual sense.
 * It can be presumed that following Tenzin's birth Aang was no longer the Last Airbender while he was alive.
 * It is currently unclear if Tenzin will be the only living Airbender in Avatar: Legend of Korra. He is so far the only one who has been confirmed. However, the possibility of Aang and Katara's having other descendants, also potential Airbenders, has not been ruled out.
 * The marrying age in the Avatar World, at least within the Water Tribe, is 16 (presumably for both parties). Thus as the Legend of Korra is set 75 years after Avatar: The Last Airbender, with Aang having died sometime between 156 and 159 ASC, Tenzin's maximum possible age is either 71 or 72.
 * Tenzin being 71 at the oldest seems more likely because Aang was only 12 years old (biologically) at the start of The Last Airbender and only 6 months worth of time is clearly shown to have passed during the series, as both solstices occur within the series
 * Tenzin's minimum age is much harder to estimate but the lowest estimate that seems plausible is 41.
 * However, this would mean Katara would have given birth to him at the age of 51, which is the average age most women in the western world start menopause. Thus it is likely that he is older.

Trivia

 * Tenzin is the first interracial baby ever mentioned in the show.
 * Tenzin's name could possibly come from 14th Dalai Lama, Tenzin Gyatso, also the inspiration for the name of Monk Gyatso.