Characters in superhero movies that provide technical support to the main hero. They can usually hack, and they are always sitting in front of a computer screen and talking into headsets. The team Flash from TV show The Flash and Felicity from TV show Arrow are some examples of the guy in the chair.

Guy or Man or Woman who is reached by almost continuous communication through some kind of technology, and provides quick analysis or information about items, logistics, technology, people and the situation to those who are locally involved. They can drive remotely controlled equipment and vehicles and give general view over what is going on at the surveillanced area during any kind of operation. Usually they are afar from the operation in a safe-zone, where they can focus on being the second-mind or the external-addon. This activity usually involves a chair on which they sit infront of a computer, radio, map, controller. The expresion is popularized in the movie Spiderman: Homecoming