Because you like Donna Pinciotti in That '70s Show

David Nolan is a noble fairy tale prince with the heart of a hero, regardless of whether he can remember his past or not. See them in Once Upon a Time.

Greg Heffley will be famous someday, but now he's stuck in class with morons. See them in Diary of a Wimpy Kid.

In a group of self-serving career climbers, Laurel Castillo is the only one who wants to serve others. See them in How to Get Away with Murder.

Bob Parr is an ex-superhero now focused on being a dad, but he misses the action. See them in The Incredibles.

Working as a captain in the American Expeditionary Forces and a spy for British Intelligence, Steve Trevor wants to end World War I once and for all. See them in DC Extended Universe.

Blunt but anxious, Gretchen Ross bonds most easily with those who have lived tough lives like she has. See them in Donnie Darko.

The self-described "ghost with the most" knows the ins-and-outs of specter life like no other. Just ask him. See them in Beetlejuice.

Luis is a deliverer of silver linings and long-winded stories. See them in Marvel Cinematic Universe.

Leslie Burke is bold, courageous, and imaginative enough to create a world from scratch. See them in Bridge to Terabithia.

Taystee Jefferson is always down for a laugh and to help a friend out. See them in Orange Is The New Black.

Jillian Holtzmann's madcap mind is always whirring and she will transform anything into one of her machines. See them in Ghostbusters (2016).

The bad boy medical intern might have a soft side‚ but you need to dig deep for it. See them in Grey's Anatomy.