Because you like James Wilson in House M.D.
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.
An obsessive schoolgirl, Yuno has two sides to her personality, and both are equally unnerving. See them in The Future Diary.
A good-natured and academically minded superhero, Dan Dreiberg can still get his hands dirty in a fight. See them in Watchmen.
England may cultivate the image of a well-bred gentleman, but he has both the temper and mouth of a seasoned sailor. See them in Axis Powers Hetalia.
Is there more to life than being really, really, ridiculously good looking? Derek Zoolander thinks not. See them in Zoolander.
Annie Walker can bake a beautiful cupcake, but everything else in her life is a mess. See them in Bridesmaids.
Homer Simpson is a beer-loving disaster in charge of nuclear safety in Springfield. Everybody run! See them in The Simpsons.
Bo Dennis once dreamed of being prom queen, but then she found out that she's part of some ageless secret race that feeds on humans. See them in Lost Girl.
Hotheaded and arrogant, Kaneda is nevertheless fiercely protective of the biker gang he leads. See them in Akira.
Rebecca Bunch struggles with decision making. So much so that she chases her high school boyfriend across the country to win him back. See them in Crazy Ex-Girlfriend.
Eren Jaeger will erase the Titans from this world until not a single one remains. See them in Attack on Titan.