Because you like Sheldon J. Plankton in SpongeBob SquarePants
Vash might act like a carefree, peace-loving goof, but it's not wise to underestimate this "Humanoid Typhoon." See them in Trigun.
Frodo might have carried the ring, but Samwise Gamgee carried the ring bearer. See them in The Lord of the Rings.
A super-soldier, Master Chief might be more machine than man. And for humanity's sake, thank God. See them in Halo.
Not a great influence with her classmates, this 13-year-old "cool girl" likes to shoplift, chug alcohol, and snort crushed pills. See them in thirteen.
A champion of chivalry, Don Quixote is dutifully bringing good to the world—even when others think he's out of his mind. See them in Don Quixote.
A superpowered test subject, Scarlet Witch can manipulate other people's thoughts and force them to confront their worst fears. See them in Marvel Cinematic Universe.
Regina George is teen royalty. And anything the queen bee says, goes. See them in Mean Girls.
An ironic hipster with a healthy dose of self-deprecation, Dave strives to be cool at all costs. See them in Homestuck.
Emma Woodhouse knows what's best for everyone else. Just don't try to tell her what to do. See them in Emma.
An aristocrat-turned-tomb-raider, Lara Croft does her best thinking while plunging off cliffs. See them in Lara Croft: Tomb Raider.
An agile and powerful swordswoman, Saber is a dignified warrior down to her bones. See them in Fate/Stay Night.