Because you like The Master in Doctor Who
Arwen has to choose between a life of loneliness or love and inevitible death, both rather unfortunate options. See them in The Lord of the Rings.
While his twin tries to save lives, Millions Knives does the best to end them. See them in Trigun.
Remy Hadley is a closed book—a cynical, super-smart closed book. See them in House M.D..
A house elf, Dobby is loyal, compassionate, and yearning for freedom. See them in Harry Potter Series.
Milo Thatch is an enthusiastic researcher without cynicism. See them in Atlantis: The Lost Empire.
Ryan Howard is a temp turned executive turned failing small-time media mogul. See them in The Office.
The destroyer, Drax lives for one thing and one thing only: revenge. See them in Marvel Cinematic Universe.
Keeping your cool is just as useful in the underworld as in war, and Michael Corleone is stone-cold. See them in The Godfather.
Simon Belmont is a vampire hunter bravely carrying on the family business. See them in Castlevania.
Foggy Nelson is a principled small-time lawyer fighting for fellow little guys. See them in Marvel Cinematic Universe.
A meek schoolteacher, Mary Margaret Blanchard can't remember her past as a spirited, swashbuckling Snow White. See them in Once Upon a Time.
Tifa Lockhart is part mother hen, part martial arts bad-ass. See them in Final Fantasy Series.