Because you like Marshall Eriksen in How I Met Your Mother

Despite Norman Bates' typically kind and shy personality, he is also prone to occasional violent outbursts. See them in Bates Motel.

Santana Lopez is a cutthroat cheerleader who's not afraid to speak, or sing, her mind. See them in Glee.

Quentin Coldwater has always suspected there was something different about him, and now he has the chance to prove it. See them in The Magicians.

C is for cookie, and that's more than good enough for him. See them in Sesame Street.

A bumbling hobbit, Bilbo Baggins is becoming a part of something much larger than himself as he embarks on a quest. See them in The Hobbit: An Unexpected Journey.

Linda Belcher doesn't prescribe to what society deems as "normal." She narrates her life through song, much to the alarm of everyone nearby. See them in Bob's Burgers.

People make more sense to the hyper-logical Temperance Brennan after they're dead. See them in Bones.

Whether it's a fire or a pit of lions, there's almost no predicament that Violet Baudelaire can't get her and her siblings out of. See them in Lemony Snicket's A Series of Unfortunate Events.

If you cross him, Tommy Shelby is the last man you'll ever see. Not too hard on the eyes though. See them in Peaky Blinders.

Britta Perry has never met a cause she couldn't passionately champion—at least for a little bit. See them in Community.

Greg Heffley will be famous someday, but now he's stuck in class with morons. See them in Diary of a Wimpy Kid.

Jack Skellington is a nightmare-man with a soft heart and smooth voice. See them in The Nightmare Before Christmas.