The Brain (image source Wikimedia)
Introduction: The very first controller was...
»»» http://en.wikipedia.org/wiki/Human_brain
"The human brain is the center of the human nervous system and is a highly complex organ. Enclosed in the cranium, it has the same general structure as the brains of other mammals, but is over three times as large as the brain of a typical mammal with an equivalent body size."
»»» If you want to know more.
...if you like controllers, you should love the human brain :)
