Because you like Roz Doyle in Frasier

Hell hath no fury like an evil fairy scorned. See them in Maleficent.

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.