When mutual friend Bill Fernandez introduced Steve Wozniak to Steve Jobs, he unwittingly changed computing history. The two were friends almost immediately, each impressed with the other's intelligence and abilities, and would go on to form Apple in 1976.
But before they did that, they played some awesome pranks around their hometown, together and on their own.
In the early chapters of Walter Isaacson's biography of Steve Jobs, we get multiple looks at the devilish sides of the two Steves.