Because you like Egon Spengler in Ghostbusters

Terry Jeffords (and his muscles) may look ferocious, but inside he's just a caring mama hen. See them in Brooklyn Nine-Nine.

Playing his cards close to his vest, J. Daniel Atlas believes the closer you look, the less you see. See them in Now You See Me.

Lucius Malfoy is a judgmental social climber who has a bigoted superiority complex. See them in Harry Potter Series.

Moe Szyslak is the crabby owner of the grimiest bar in Springfield. See them in The Simpsons.

A brilliant graduate student in Italy for "research," Oliver has other things on his mind: flirting, swimming, and dancing. See them in Call Me by Your Name.

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.

Maurice Moss is a dedicated IT guy who even talks like a computer. See them in The IT Crowd.

Tina Cohen-Chang is a shy loner who becomes a fierce performer on stage. See them in Glee.

The only constant in Night Vale is Cecil's hypnotic voice. See them in Welcome to Night Vale.

Jack Skellington is a nightmare-man with a soft heart and smooth voice. See them in The Nightmare Before Christmas.

T'Challa is a regal superhero with the weight of the world (and particularly his nation) on his shoulders. See them in Marvel Cinematic Universe.