Because you like Cedric Daniels in The Wire

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.

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

A wildly brilliant detective, Sherlock Holmes can figure out everything except how to interact with other human beings. See them in Sherlock.