Because you like Arnold in Hey Arnold!
Think you grew up fast? At 12, Mathilda is an aspiring assassin eager to avenge her family's murder. See them in Leon: The Professional.
Bedside manner is for chumps, not the brilliant Dr. Gregory House. See them in House M.D..
Lelouch vi Britannia is a high school student by day, masked destroyer of tyrannical empires by night. See them in Code Geass.
In the Land of the Dead, finally free from the restrictive customs of Victorian society, Victor Van Dort is coming out of his shell. See them in Corpse Bride.
Tiffany Maxwell wishes people would stop reminding her about her dead husband. See them in Silver Linings Playbook.
An escaped convict on a mission, Sirius Black is brooding, brave, and reckless. See them in Harry Potter Series.
The quiet, intense Daryl Dixon lets his crossbow do the talking. See them in The Walking Dead.
This beautiful aesthete wins the hearts of both ladies and men. But Dorian Gray also happens to have his soul sealed in a painting. See them in Dorian Gray.
There's no one cooler than this intergalactic smuggler who hangs out in dens of iniquity all over the galaxy. And Han Solo knows it! See them in Star Wars Series.
John Watson is haunted by his past (who isn't) but he's starting to branch out with some help from a world class detective. See them in Sherlock.