Because you like Bob Woodward in All the President's Men
Leonard Hofstadter is the normal one among his scientist friends, though in fairness that's a low bar. See them in The Big Bang Theory.
A librarian and aspiring Egyptologist, Evie O'Connell would rather have her own adventures than just read about them. See them in The Mummy.
Lois Lane's journalistic success is the result of her tenacity. She will doggedly pursue her leads until discovering the information she needs. See them in DC Extended Universe.
A Haddock always has a trick up his sleeve! Tintin is lucky to have Captain Haddock as a companion to search for hidden treasure on an adventure around the world. See them in The Adventures of Tintin.
Gregor Samsa is an ordinary man in an abnormal predicament. See them in The Metamorphosis.
Lying is the most fun a girl like Alice can have without taking her clothes off. See them in Closer.
His name is Inigo Montoya and whoever killed his father should be prepared to die. See them in The Princess Bride.
Fox Mulder is a devoted believer in aliens, monsters, and that the truth is out there. See them in The X-Files.
For Dana Scully, sometimes looking for extreme possibilities makes you blind to the probable explanation right in front of you. See them in The X-Files.
Hotheaded and arrogant, Kaneda is nevertheless fiercely protective of the biker gang he leads. See them in Akira.
Shaggy might be a bit of a slacker, but his heart and his stomach are usually in the right place. See them in Scooby-Doo.
Felicity Smoak is a brilliant hacker who nonetheless becomes tongue-tied in front of attractive men. See them in DC Extended Universe.