THE HISTORY OF KNUCKLES STARTS ON A FLOATING ISLAND. WERE THE MOST CIVILIZED CIVILIZATION ON THE PLANET LIVED.THEY WERE THE ECHIDNAS. BUT ALL THE TECHNOLOGY STARTED CORUPTION IN THE ECHIDNA SOCIETY. SO THEY GOT ALL THEIR TECHNOLOGY AND PUT INTO A CAVE. THE ONLY THING THAT COULD POWER THESE MACHINES WAS THE POWERFUL CHAOS EMERALD. THAT IS WERE KNUCKLES COMES IN!HE WAS SENT BY THE ECHIDNAS TO GUARD THE CHAOS EMERALD, BUT WHEN ROBOTNIC STOLE THE CHAOS EMERALD IT WAS KNUCKLES WHO HAS TO CHASE HIM AND RETREVE THE CHAOS EMERALD. THEN HE MEETS SONIC WERE KNUCKLES AND THE FREEDOM FIGHTERS