Because you like Wendy Darling in Peter Pan
A precocious 11-year-old, Satsuki Kusakabe is not quite as grown up as she pretends to be. See them in My Neighbor Totoro.
Celie Johnson says she's poor, black, and may even be ugly. But dear God she's here. See them in The Color Purple.
Detective Alec Hardy doesn't let anyone get too close to him. See them in Broadchurch.
Usagi Tsukino may look like a lazy teen, but when Usagi conjures up her alter ego and calls her Sailor Scout team, no villain stands a chance. See them in Sailor Moon.
A sexy succubus , Morrigan Aensland lives for pleasure. See them in Darkstalkers .
Cher Horowitz may have a problem with hubris, but she looks utterly fabulous while learning a lesson about the dangers of meddling. See them in Clueless.
Despite the dissolution of his state, Prussia hangs on – mooching off his younger brother Germany and reading comics. See them in Axis Powers Hetalia.
Number Five is a 58-year-old man trapped in his 13-year-old body. See them in The Umbrella Academy.
Oliver Tate is extremely articulate but hopelessly awkward. That's not a recipe for teenage happiness. See them in Submarine.
Anywhere there's adventure, Jaskier is there to write a catchy song about it. See them in The Witcher.
An off-beat dork, John Egbert is funny, inventive, and endlessly optimistic. See them in Homestuck.
Whether it's punching a meteor or saving a teen from jumping, Superman tries to be in as many places as Kryptonianly possible. See them in DC Extended Universe.