Because you like Henry DeTamble in The Time Traveler's Wife

Reckless, vulgar, loud-mouthed: that's what makes Amethyst so awesome. See them in Steven Universe.

Sabrina Spellman is half-witch-half-human, a headstrong and loyal cheerleader with an affinity for spell-making. See them in Chilling Adventures of Sabrina.

Princess Bubblegum is brilliant and determined, but can display a nasty temper. See them in Adventure Time.

With an undeniable sense of adventure, Huck Finn is an expert at getting into and, more importantly, out of sticky situations. See them in The Adventures of Huckleberry Finn.

The Grinch's heart is just too small to appreciate Christmas. See them in Dr. Seuss' How the Grinch Stole Christmas.

After having his mind altered after a bad breakup, Joel Barish is not convinced that ignorance is bliss. See them in Eternal Sunshine of the Spotless Mind.

We're all puppets. Dr. Manhattan is just a puppet who can see the strings. See them in Watchmen.

Closing off her emotions makes Lightning a great fighter, but at what personal cost? See them in Final Fantasy Series.

This wizard is never late, nor is he early. Gandalf arrives precisely when he means to. See them in The Lord of the Rings.

An assassin with supernatural gifts, Corvo Attano is the last guy you should frame for murder. See them in Dishonored.