Because you like C. J. Cregg in The West Wing
Due to his eagerness to hang with his kids and general goofiness, Phil Dunphy comes across as the fourth child of his family. See them in Modern Family.
Jughead Jones loves burgers, his friends, and philosophizing with his unique brand of wisdom. See them in Archie Comics.
The "runt" of his biker gang, Tetsuo Shima grapples with a perpetual inferiority complex. See them in Akira.
Beneath Yuji Sakai's meek exterior lies an exceptionally keen mind and a strong inner will. See them in Shakugan no Shana.
Jeff Winger thinks he's too cool for school, which is a problem because he just enrolled in community college. See them in Community.
Wendy Testaburger is a born leader who is not afraid to stand up to the other fourth graders for what she believes in. See them in South Park.
Kagami Hiiragi keeps her grades up, helps at Takanomiya Shrine, serves as class president, and hangs out with her friends. See them in Lucky Star.
Waylon Smithers would do anything for his boss, and would love to do a few things *to* him. See them in The Simpsons.
A wildly brilliant detective, Sherlock Holmes can figure out everything except how to interact with other human beings. See them in Sherlock.
