Because you like Katara in Avatar: The Last Airbender
Kenny McCormick is a boy of few words who likes nudie mags, NASCAR, monster trucks, origami, and Peruvian pan flute bands. See them in South Park.
Poussey Washington is a former army brat who loves to read and loves her friends. See them in Orange Is The New Black.
If Eleanor Shellstrop's true identity is revealed, she'll be sent to The Bad Place. See them in The Good Place.
Whatever Sakura Haruno lacks in power, she makes up for in intelligence and bravery. See them in Naruto.
Trying to get through school without being a burden to anyone, Tohru Honda stays cheerful despite her difficulties. See them in Fruits Basket.
A determined and cold-hearted spy, Cassian Andor will do what it takes to stand up to the evil Galatic Empire. See them in Rogue One.
This power-hungry Time Lord calls himself the "master of all." Bonus: he has 13 lives. See them in Doctor Who.
A former child mayor fallen from grace, Ben Wyatt is still trying to pick up the pieces years later. See them in Parks and Recreation.
A vampire hunter, Integra Hellsing doesn't tolerate failure, least of all her own. See them in Hellsing.
Ethical but anxious, Chidi Anagonye approaches life like a problem to be solved. See them in The Good Place.
Raven Reyes may be a deliquent, but she's also the youngest zero-gravity mechanic who fixed a 130-year old escape pod to make it through the descent to Earth. See them in The 100.