Because you like Alfredo Linguini in Ratatouille
Maurice Moss is a dedicated IT guy who even talks like a computer. See them in The IT Crowd.
Anywhere there's adventure, Jaskier is there to write a catchy song about it. See them in The Witcher.
Aldo Raine is in the killing Nazi business. And as he says, business is a-boomin'. See them in Inglourious Basterds.
Rupert Giles is a librarian on the outside, fearless evil-fighter on the inside. See them in Buffy the Vampire Slayer.
Gina Linetti views herself as a sort of life coach/influencer to the rest of the office. She's not so keen on the "work" aspect of her job. See them in Brooklyn Nine-Nine.
Claire Temple is a dedicated nurse providing secret care to New York's vigilantes. See them in Marvel Cinematic Universe.
Leone Montana is a fearless hitman with a surprisingly sensitive side. See them in Leon: The Professional.
The only constant in Night Vale is Cecil's hypnotic voice. See them in Welcome to Night Vale.
Stanley Barber is a loveable goofball with impeccable (if eccentric) fashion sense, unique music taste, and a wealth of strange but useful knowledge. See them in I Am Not Okay With This.
Raz is a 10-year-old boy who mostly stays in his own head, which makes sense since that's where he is strongest. See them in Psychonauts.
April Kepner is an excellent surgeon, but outside of the operating room, she's more anxious than most. See them in Grey's Anatomy.
Kiara Carrera is a hippie socialist who likes sea turtles more than people. See them in Outer Banks.