Because you like Gandalf in The Lord of the Rings
Ishmael is a quiet observer on a larger-than-life quest. See them in Moby Dick.
Eragon is one part brave but three parts fool. See them in Eragon.
With an undeniable sense of adventure, Huck Finn is an expert at getting into and, more importantly, out of sticky situations. See them in The Adventures of Huckleberry Finn.
As Marlena Rosenbluth is finding out, confidence in the limelight doesn't always translate to power at home. See them in Water for Elephants.
A ruthless militant, Raza will do anything to take down Tony Stark. See them in Iron Man / The Avengers.
A Haddock always has a trick up his sleeve! Tintin is lucky to have Captain Haddock as a companion to search for hidden treasure on an adventure around the world. See them in The Adventures of Tintin.
Tarzan is walking the line between human and animal. Good thing he has excellent balance. See them in Tarzan.
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.
Though raised to think of himself as a monster, Quasimodo has a heart that holds nothing but compassion. See them in The Hunchback of Notre Dame.
Gruff and sarcastic, Detective Harry Dresden use unconventional ways to track down perps, including using magic and the supernatural. See them in The Dresden Files.
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.
Arthur Dent is an incredibly normal man on an incredibly abnormal adventure. See them in The Hitchhiker's Guide to the Galaxy.