Because you like Huck Finn in The Adventures of Huckleberry Finn

Even the smallest person can change the course of the world, if he's brave enough. See them in The Lord of the Rings.

Arthur Dent is an incredibly normal man on an incredibly abnormal adventure. See them in The Hitchhiker's Guide to the Galaxy.

James Gordon happens to be the one guy in Gotham City with proper morals who doesn't also run around in a cape. See them in DC Extended Universe.

Stranded on Mars, Mark Watney is armed with quick wits, an electronic diary, disco music, and an undying resolve to make it back. See them in The Martian.

Southern belle Scarlett O'Hara is a heart-melter who has no problem looking after herself. See them in Gone with the Wind.

World domination and Superman's demise are next on Lex Luthor's to-do list. See them in DC Extended Universe.

While Jay Gatsby doesn't necessarily like to attend his parties, he knows how to throw a world-class bash. See them in The Great Gatsby.

Romantic, tortured, and at times cruel, Heathcliff is an intense man. See them in Wuthering Heights.

Lyra Belacqua is prone to getting in trouble, but she's also clever enough to get out of it. Most of the time. See them in The Golden Compass.

Gollum is slimy and seething with hatred, the last person you would want to meet in a dark cave. See them in The Lord of the Rings.