Because you like Frederick Henry in A Farewell to Arms

Usagi Tsukino may look like a lazy teen, but when Usagi conjures up her alter ego and calls her Sailor Scout team, no villain stands a chance. See them in Sailor Moon.

Not only will attorney Matt Murdock get you off the hook, but his alter ego Daredevil might also swing by later and rough up whoever put you there. See them in Marvel Cinematic Universe.

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.

A gentle alchemist who is soul-bound to a giant suit of armor, Alphonse Elric is growing into the responsibility handed to him. See them in Fullmetal Alchemist.

An aloof punk rock goddess, Nana Osaki has a surprisingly big heart. See them in Nana.

Faced with inequality, Gale Hawthorne has a rebellious spirit that only grows. See them in The Hunger Games .

An exuberant prankster, Naruto Uzumaki craves acknowledgement of any kind. See them in Naruto.

Sebastien Michaelis is a demonic butler who approaches life with effortless finesse and a diabolical streak. See them in Black Butler.

Talented but anxious, Shinji Ikari struggles to bear the challenges that life hands him. See them in Neon Genesis Evangelion.

Clary Fray's philosophy: dive into the supernatural underworld first and ask questions later. See them in City of Bones.

When the going gets tough, Rick Grimes gets tougher. It's a very useful trait when the world goes to hell. See them in The Walking Dead.