Because you like Trinity in The Matrix
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.
His murderous megalomania aside, Loki is quite charming. Just don't mention his strapping older brother; he's a tad jealous. See them in Marvel Cinematic Universe.
Tail's smarts and helpful nature come in handy in a pinch. See them in Sonic the Hedgehog.
Samantha Jones is a try-sexual who'll try anything once. See them in Sex and the City.
A meek schoolteacher, Mary Margaret Blanchard can't remember her past as a spirited, swashbuckling Snow White. See them in Once Upon a Time.
Mavis Dracula's interests are anything black, scream cheese, and flying around. See them in Hotel Transylvania.
Kat Stratford is part of the "out" crowd and proud of it. See them in 10 Things I Hate About You.
John Yossarian is trapped in irony as he must be insane to leave the war but if he does try to leave, he'll be deemed sane and will be forced to stay, See them in Catch-22.
Usagi Tsukino may look like a lazy teen, but when Usagi conjures up her alter ego and calls her Sailor Scout team, no villain stands a chance. See them in Sailor Moon.
Suzy Bishop is only 12, but her withering stare and withdrawn personality are enough to make anyone wilt. See them in Moonrise Kingdom.
Sebastien Michaelis is a demonic butler who approaches life with effortless finesse and a diabolical streak. See them in Black Butler.