Because you like Montgomery Scott in Star Trek
Marge Simpson is a mostly happy housewife and subscriber to Sponge and Vacuum Magazine. See them in The Simpsons.
Mike Hannigan is a lawyer-turned-pianist who loves to tap into his kooky side. See them in Friends.
Therese Belivet spent her life letting other people guide her along, and she wants to take control now. See them in Carol.
Viking Astrid Hofferson has it all: brains, brawn, and some killer braids. See them in How to Train Your Dragon.
A meticulous forensic scientist, Edward Nygma is insanely good at his job. Emphasis on the "insane" part. See them in Gotham.
Driven by obsession and anxiety, Monk bravely overcomes, or at least battles, his fears to help the world. See them in Monk.
Murph is inquisitive, compassionate, and stubborn, with a passion for science she shares with her dad. See them in Interstellar.
Krusty The Clown somehow makes life sillier and more somber at the same time. See them in The Simpsons.
A childlike space cadet, Brittany Pierce has a surprisingly open-minded spirit. See them in Glee.