Because you like Addison Montgomery in Grey's Anatomy

A few millennia in the mortal realm have caused DEATH to be quite enamored of life. See them in Discworld.

Liu Kang spends his days training his body and spirit, seeking to become the ultimate warrior. See them in Mortal Kombat.

Charlie Kelmeckis is a wallflower who's starting to blossom into something more. See them in The Perks of Being a Wallflower.

Rose Hathaway is a reckless, rebellious smartass who's training to be a royal vampire guardian. See them in Vampire Academy.

With the loyalty and pluckiness of a puppy, Nana Komatsu is a hopeless romantic. See them in Nana.

Jade Jade Harley might not be the best at reading social cues, but her bravery and selflessness means she's a great friend to have. See them in Homestuck.

Don't let Princess Peach's sweet, gentle nature fool you. Princess Peach can put up a good fight. See them in Super Mario Bros..

Jim Halpert is a master at the art of making it through the work day, including participating in an office Olympics. See them in The Office.

Equal parts klutzy and clever, Ella is not afraid to take her fate into her own hands. See them in Ella Enchanted.

It's easy for Brian O'Conner to fake his way into the world of extreme racing because he's been popping cars since his teenage years. See them in The Fast and the Furious.

This suave con-man doesn't just want to become rich. Danny Ocean wants to rip off the guy who stole his wife in the biggest Vegas con. See them in Ocean's Eleven.

Brilliant, violent, and only a little insane, the Joker doesn't listen to anyone except the voices in his head. See them in DC Extended Universe.