Because you like Victor Frankenstein in Frankenstein
Juno MacGuff is hoping sarcasm will get her through the stress of teenage life. And also, teenage pregnancy. See them in Juno.
Fiercely independent and extremely hot-blooded, Ryuko Matoi prefers to work alone. See them in Kill la Kill.
Everything is fascinating to Octavia Blake who has been locked away for her entire life. See them in The 100.
She's mostly doom and gloom, but you'd get nowhere without Sadness. See them in Inside Out.
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.
Eleanor puts up a tough front, even when everyone else tries to tear her down. See them in Eleanor and Park .
Konata Izumi has a live-now, worry-later view of the world. See them in Lucky Star.
Few high school students could be less concerned with labels. See them in Ouran High School Host Club.
Sheldon Cooper is brilliant in every way except, well, interacting with any human being. See them in The Big Bang Theory.
Spike Spiegel is a bounty-hunter with a laidback style and lightning-quick moves. See them in Cowboy Bebop.
Bella Swan thinks of it as her job to help her parents and protect her friends, even though it often ends up the other way around. See them in Twilight.
Skye is a pluck hacktivist who tries to use her power for good. Unfortunately, " good" isn't always so clear-cut. See them in Marvel Cinematic Universe.