Jaune Avatar - the Last Air Bender

After the end of the First Age the Avatar disappeared from Remnant, But in the Second Age, Oum the Creator decided to bring balance after the Brothers ( RT ) Screwed up his world.

The Avatar Reincarnation Cycle resumes as the next Avatar an Earth Bender was born known as Jaune Arc but his Rock Hard Resolve needed to be tempered with a Free Spirit, so he manipulates events that Jaune would be raised by the last surviving Air Bender in the ways of the Avatar from Ages Past

Avatar is owned by Nickelodeon
RWBY is owned by Warner