Because you like Lola Steppe in Confessions of a Teenage Drama Queen
Stewie Griffin is just your average evil-genius, talking, sociopathic baby. See them in Family Guy.
An All-American football player, a ping pong star, and a freakishly determined runner, Forrest Gump has a ton of stories to tell. See them in Forrest Gump.
Light Yagami has a plan to make a better world, and morals won't stop him. See them in Death Note.
Orphan Bruce Wayne has a tortured soul, but he's trying his best to weed out corruption. See them in DC Extended Universe.
Wolverine is a hot-blooded Canadian with an adamantium skeleton who's the best at what he does. See them in X-Men Series.
Make sure not to anger the Hulk or else he will transform into a giant green monstrosity and smash anything in his way. See them in Marvel Cinematic Universe.
Aragorn is the one true king, a title he is too humble to accept. See them in The Lord of the Rings.
Marty McFly is a skateboarder, aspiring rock star, and reluctant time-traveler. See them in Back to the Future.
Bart Simpson is an aspiring juvenile delinquent who doesn't want you to have a cow, man! See them in The Simpsons.
Jim Halpert is a master at the art of making it through the work day, including participating in an office Olympics. See them in The Office.
Carl Fredricksen is a crotchety old man who may just have it in him to take one last, great adventure. See them in Up.