After discovering that his father has been reluctantly creating machines for the Fire Nation , Teo aids Aang repelling Fire Nation raiders .
A kind - hearted , respectful , and honest boy , he soon becomes friends with Aang .
After discovering that Aang 's father has been reluctantly creating machines for the Fire Nation , Teo Aang Aang repelling Fire Nation raiders .
A kind - hearted , respectful , and honest boy , he soon becomes friends with Aang .