Because you like King Henry V in Henry V
Kat Stratford is part of the "out" crowd and proud of it. See them in 10 Things I Hate About You.
Castiel might be an immortal angel, but the human world is still more than a little confusing. See them in Supernatural.
It's hard to tell if Dean Winchester cares more about saving the world or his 1967 Chevy Impala. See them in Supernatural.
Smart and sensitive Sam Winchester tried to escape the family business, but ghosts have a way of haunting you. See them in Supernatural.
He's an eccentric pirate making it up as he goes along. He's Jack Sparrow, savvy? See them in Pirates of the Caribbean: the Curse of the Black Pearl.
Chandler Bings keeps his friends on their toes with his cutting wit, all the while trying to discover his own place in life. Could he BE any funnier? See them in Friends.
An escaped convict on a mission, Sirius Black is brooding, brave, and reckless. See them in Harry Potter Series.