First up: Sega Genesis

The Genesis came out in the early 90’s ((Okay, technically the late 80’s, but that doesn’t really count.)) and was a rival in both ability and popularity to the Super Nintendo. The standard controller has three face buttons, a start button, and a D-Pad.  It did not have any shoulder buttons.

It’s also got Blast Processing.  No one knows what Blast Processing is, except that it makes things totally awesome.

Genesis controllers are compatible with the Atari 2600, so if you want to play Space Invaders or Pitfall with a gamepad instead of a joystick, this is a good way to do it.