Because you like Martha Jones in Doctor Who
Eowyn isn’t allowed to fight, but then again, when have rules ever stopped her? See them in The Lord of the Rings.
Arthur Dent is an incredibly normal man on an incredibly abnormal adventure. See them in The Hitchhiker's Guide to the Galaxy.
A charismatic and misunderstood FBI agent, Dale Cooper relies on dreams and premonitions to solve cases. See them in Twin Peaks.
Anna Karenina doesn't want to be a respectable woman any more. She thinks respect was invented to cover the empty place where love should be. See them in Anna Karenina.
Egon Spengler prefers collecting spores, molds, and fungus to interacting with people. See them in Ghostbusters.
Chaos is what killed the dinosaurs, and there's nothing Jason "J.D." Dean loves more than chaos. See them in Heathers.
Logan Huntzberger is a daredevil, romantic, and heir to a media empire. See them in Gilmore Girls.
China has five thousand years of history, and he's optimistic he'll win over the Allied Powers to the wisdom of his ways. See them in Axis Powers Hetalia.
As the White House Press Secretary, C. J. Cregg is a master of verbal karate and the best damn basketball player in Ohio Valley history. See them in The West Wing.
Willow Rosenberg may be a witch who can defeat the forces of evil, but she still gets emotional over kittens on the Internet. See them in Buffy the Vampire Slayer.
Baloo is a fun-lovin' bear who just needs the bare necessities of life See them in The Jungle Book.