Because you like Lucy Ricardo in I Love Lucy

Newt Scamander is more comfortable with animals than people, even if the animals are super-dangerous magical creatures. See them in Fantastic Beasts and Where To Find Them.

Rupert Giles is a librarian on the outside, fearless evil-fighter on the inside. See them in Buffy the Vampire Slayer.

Though she has the normal insecurities of a 15-year-old, Aurora is both courageous and empathetic. See them in Maleficent.

Bookish and socially anxious, Ruby Roundhouse is a teenager turned action heroine. See them in Jumanji.

Tifa Lockhart is part mother hen, part martial arts bad-ass. See them in Final Fantasy Series.

The only constant in Night Vale is Cecil's hypnotic voice. See them in Welcome to Night Vale.

Eleanor puts up a tough front, even when everyone else tries to tear her down. See them in Eleanor and Park .

You won't like him when Bruce Banner is angry. See them in Marvel Cinematic Universe.

Smart, sarcastic, and loyal, Stiles Stilinski doesn't just want to be the sidekick in someone else's life. See them in Teen Wolf.

A dedicated hedonist, Jack Harkness appreciates raunchy stories, stiff drinks, and excellent bottoms. See them in Doctor Who.

Terence Fletcher is a brutal and unflinchingly strict music teacher hell-bent on whipping his students into shape. See them in Whiplash.

A fight every now and then makes Dante's life a little more interesting. See them in Devil May Cry.