Because you like Jane Hawking in The Theory of Everything

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.

Tail's smarts and helpful nature come in handy in a pinch. See them in Sonic the Hedgehog.

Elaine Benes is a tough New Yorker who can hang with the guys, and date the ones who are "sponge-worthy." See them in Seinfeld.

Celine's a spontaneous Parisian college student enjoying the night of her life. See them in Before Sunrise.

What Troy Barnes lacks in common sense, he makes up for with heart. See them in Community.

With her consciousness so easily shifted between bodies, Motoko Kusanagi is left unsure of who or what she really is. See them in Ghost in the Shell.

Lois Lane's journalistic success is the result of her tenacity. She will doggedly pursue her leads until discovering the information she needs. See them in DC Extended Universe.

Diana Prince is using a truth-telling lasso and super-strength to make Earth a little more like Paradise. See them in DC Extended Universe.

Bridget Jones is a wanton sex goddess, struggling 30-something, and semi-hot mess. See them in Bridget Jones's Diary.

Edmund Pevensie isn't a bad person, but he did sell his siblings out for a tin of Turkish Delight. See them in The Chronicles of Narnia.

Randy Marsh is a geologist and Nobel Prize winner who is into binge drinking, starting riots, the Food Network, and P.F. Changs. See them in South Park.