Because you like Cyrano De Bergerac in Cyrano de Bergerac
Victor Frankenstein can create life, so he's pretty awesome if he says so himself. See them in Frankenstein.
With a song always on her lips and her heart on her sleeve, Maria von Trapp is the governess every kid dreams of. See them in The Sound of Music.
Baloo is a fun-lovin' bear who just needs the bare necessities of life See them in The Jungle Book.
Leonard Hofstadter is the normal one among his scientist friends, though in fairness that's a low bar. See them in The Big Bang Theory.
Lloyd Dobler is a kickboxer wearing his heart on his sleeve who would do anything for the woman he loves. See them in Say Anything.
Free-spirited Annie Hall goes through life saying "La-di-da, la-di-da, la la." See them in Annie Hall.
A monstrous pirate captain, Davy Jones is quite literally heartless. See them in Pirates of the Caribbean: the Curse of the Black Pearl.
A reclusive introvert, Liz Sherman has a temper that's literally lethal. See them in Hellboy.
Donna is boisterous and spunky traveller of the TARDIS, exploring worlds beyond the simple mundane enterprises of Earth. See them in Doctor Who.