Because you like Egon Spengler in Ghostbusters

After Otto Octavius' accident, he becomes fixated on finishing the reactor at any cost. See them in Marvel Cinematic Universe.

Henry Mills is an idealistic young boy with the heart of the truest believer. See them in Once Upon a Time.

Kristoff may seem standoffish, but this ice harvester has a warm heart. See them in Frozen.

Ianto Jones' withdrawn nature conceals his emotional pain. See them in Torchwood.

Caleb Rivers is a bad boy with a good reason for acting out. See them in Pretty Little Liars.

Squidward Tentacles is a pretentious clarinet player in search of peace and quiet. See them in SpongeBob SquarePants.

Claire Temple is a dedicated nurse providing secret care to New York's vigilantes. See them in Marvel Cinematic Universe.

How lucky are we that Arthur Curry, the King of Atlantis, hasn't taken over the surface world? Very! See them in DC Extended Universe.

Mac is a karate-chopping, beer-chugging schemer. See them in It's Always Sunny in Philadelphia .

N'Jadaka is a righteous man with a violent agenda. See them in Marvel Cinematic Universe.

Evan is a sensible kid, but being sensible isn't going to help him lose his virginity. See them in Superbad.

Nadja was feminasty before it was cool. See them in What We Do In The Shadows.