There’s at least one sexual joke in Avatar, when Sokka is “expecting” Suki to come to his tent and Zuko comes instead.
https://youtu.be/lgfe5JvZk80?feature=shared
But yeah probably not bodyguards, and afaict far from retiring. Last I had heard they are trying to massively expand the Avatar universe, after walking away from Netflix for creative differences.
I was really just trying to think of the best and worst creators from Nickelodeon.