Aang and Katara 30 years old...married... Katara is having her first child.
Katara: AAAAAGGGHHHH!!!
Aang: whoa..
Doctor: it's a boy!
Baby: WAAAHHH!!!
Aang: aww...it looks...nothing like me! what's with the scar on it's right eye?
Katara: umm...genetic mix up? ..........hehe...yea
1 year later.. they named the baby Rozu. wow, what a strange name...
Katara: AANG! i think little Rozu is saying his first words!
Rozu: i..have..cap..ava..rest..or
Katara: huh?
Aang: what are you saying?
(mumbles jiberish for 5 minutes then gets it right)
Rozu: i have to capture the avatar to restore my honor!
Aang: what the freak? ...where did he get that from...
Katara: uhhh.....uh...hehe...no CLUE!!! hehe...yea..
5 years later at bending academy
Katara: so, you think he'll be a water or air bender?
Aang: dunno
Master: please, try to bend
(Rozu shoots a fire blast right to aang)
Aang: huh? how can he firebend if...ohhhhh...i finally get it. HEY KATARA!!!...where did she go
(runs around campus)
(finds Katara and Zuko making out)
Aang: hey, get your hands off of her! my wife had your baby b***h!
Zuko: yea, but thats YOUR problem now!
Aang: no, you did this to me, so your gonna pitch in!
Zuko: nope sorry. (runs away and never seen again)
10 years later
Aang: hey son you wanna watch some??fights with me?
Rozu: no dad, its time i kill you!!!!!
Aang: HUH!!!??!!??!!?
Momo: COOL, I'M STILL ALIVE AFTER ALL THESE YEARS!!!!
THE END!! or is it? no it is!