ZAK WAS CREATED por G.U.N TO BE THE ULTIMATE NEW LIFE FORM TECHINICALLY A NEW SHADOW THE HEDGEHOG THIS TIME THEY WERE GOING ALL OUT.ZAK HAS THE SPEED FASTER THEN SONIC,STRENGTH TO PICK A HOLE PLANE UP ON HIS PINKY,HEAL ABILITY,SKIN ALMOST IMPOSSIBLE TO PINATRATE WITHOUT ULCRON WHICH IS LIKE KRPTONNITE TO super-homem EXECT WITH ZAK.AFTER SENDING ZAK TO KILL SHADOW ZAK FOUND OUT GUN WAS USING HIM SO HE BUSTED OUT AND ESCAPED.AND THAT IS THE HISTORY OF ZAK THE HEDGEHOGS BACKGROUND.SOON AFTER BREAKING OUT ZAK BECAME A HERO ONCE HE SAW HOW DANGERS THE CITY HE LIVES IN WAS.BECAUSE OF HIS SUPER SPEED HE SAFES PEOPLE AND ZOOMS OFF BEFORE THEY CAN SEE HIS FACE SO NATURALLY EVERYONE THINKS ITS SONIC.SO ZAK LETS SONIC TAKE THE FAME CAUSE HE KNOW IF HE REFEALS HIM SELF G.U.N. WILL NEVER STOP TRYING TO HUNT HIM DOWN.