Because you like Shannon Mullins in The Heat

Severus Snape is a misanthropic potions teacher with a vindictive streak. See them in Harry Potter Series.

L is enigmatic, child-like, and one of the smartest people in the world. See them in Death Note.

Barry Allen is a nerd, forensics expert‚ and superhero with supersonic speed who is determined to solve his mother's murder. See them in DC Extended Universe.