Because you like Lucy Pevensie in The Chronicles of Narnia

Walter White's knowledge of chemistry allows him to cook astoundingly pure meth, leading to a rapid – albeit tumultuous – rise in the criminal drug world. See them in Breaking Bad.

Armin Arlert was wrong. This world hasn't become hell; it's been hell. He just couldn't see it before. See them in Attack on Titan.

For Dana Scully, sometimes looking for extreme possibilities makes you blind to the probable explanation right in front of you. See them in The X-Files.

Quentin has his whole life mapped out. It might sound boring, but he likes boring. See them in Paper Towns.

Smart and sensitive Sam Winchester tried to escape the family business, but ghosts have a way of haunting you. See them in Supernatural.

Mr. Blonde is the undisputed leader of his pack of suited-up outlaws, with a stoic and serious demeanor, and a penchant for bloodshed. See them in Reservoir Dogs.

Madoka Kaname's new world of witches is challenging her optimism. Still, even in the worst of circumstances, she holds onto hope. See them in Puella Magi Madoka Magica.

Bojack Horseman is a former sitcom star who loves sharing his opinions with anyone who will listen. Oh, and drinking. A lot! See them in Bojack Horseman.

Clementine is a beacon of innocence in a dangerous, deadly world. See them in The Walking Dead (Video Game).

A brilliant "extractor," Dom Cobb has spent the past few years running from the authorities and his inner demons. See them in Inception.

An infamous vampire, Alucard is a one-man killing machine with a philosophical side. See them in Hellsing.

A natural leader, Clarke Griffin dispenses both justice and mercy, and she does it all while being selflessly humble. See them in The 100.