Because you like Donna Noble in Doctor Who
Sarah Ashburn lives life by the book and has trouble getting along with anyone who doesn't do the same. See them in The Heat.
Gregor Samsa is an ordinary man in an abnormal predicament. See them in The Metamorphosis.
Lelouch vi Britannia is a high school student by day, masked destroyer of tyrannical empires by night. See them in Code Geass.
Jane Smith is a stone-cold killer, but you would never know it from looking at her. See them in Mr. & Mrs. Smith.
You wouldn't know it by looking at her, but beneath Sheila Jackson's sweet, motherly exterior lies a sex addict. See them in Shameless.
Will Herondale is an emotionally distant bad boy with a secret. See them in Clockwork Angel .
Juliet Starling is a cheerleader by day, gleefully unhinged zombie killer by night. See them in Lollipop Chainsaw.
The only thing Albert Wesker cares about is turning himself into a God. See them in Resident Evil Series.
Damon Salvatore used to miss being human. Now he can't think of anything more miserable. See them in The Vampire Diaries.
Sebastien Michaelis is a demonic butler who approaches life with effortless finesse and a diabolical streak. See them in Black Butler.
Reclusive, quiet, and seemingly emotionless, Lain Iwakura feels like an outsider in her hyper-connected world. See them in Serial Experiments Lain.
Meat Boy tenaciously throws himself into danger, and when he fails, he immediately gets back up and tries again. See them in Super Meat Boy.