Because you like The Lorax in The Lorax
Frodo might have carried the ring, but Samwise Gamgee carried the ring bearer. See them in The Lord of the Rings.
GLaDOS will supply the food when you get together: a delicious cake. Of course, it could just be a trap so she can kill you. It’s hard to say. See them in Portal Series.
A crabby troll, Karkat Vantas is perpetually angry about his lot in life. See them in Homestuck.
Barbara Kean is loving, selfless, and caring. But, she's less stable than she'd like to admit. See them in Gotham.
A crooked cop, Harvey Bullock is the product of a not-so-just criminal justice system. See them in Gotham.
The chronically bizarre Dwight Schrute is the world’s most dependable assistant to the regional manager. See them in The Office.
Rose Tyler may have not done too well in school, but she's certainly holding her own in space. See them in Doctor Who.
Viking Astrid Hofferson has it all: brains, brawn, and some killer braids. See them in How to Train Your Dragon.
A fearless superhero, Carol Danvers always aims to go higher, further, faster. See them in Marvel Cinematic Universe.
Don't underestimate Maggie Greene. She's a farm girl with a mission. See them in The Walking Dead.
A meticulous forensic scientist, Edward Nygma is insanely good at his job. Emphasis on the "insane" part. See them in Gotham.
Glenn Rhee somehow never loses his enthusiastic spirit – even in the middle of a zombie apocalypse. See them in The Walking Dead.