'Person of Interest': Other mastermind sidekicks like Finch and Reese 

There are a plethora of mastermind-sidekick combos like Finch and Reese, but none quite the same. There are some other mastermind-sidekicks that are just as unique, and here's how some of them stack up against Finch and Reese.
Keywords: person of interest, jim caviezel, michael emerson, john reese, harold finch, cbs, poi