APARENTLY A ARENA ENEMYS FROM SPONGEBOB AND ZIM INVADERS CHARACTERS THESE ENEMYS IS FROM INTO NICKLEODEON ALL STAR BRAWL 2 AND IS TRYS TO ATTACKS THESE SUPERHEROS BUT THE UNIQUE WAY TO DEFEATS ENEMYS IS FLY INTO THE EMPTY AND ONE FROM THE ENEMYS IS DEFEATED BY THE SUPER HEROS OR CHARACTERS CAN THESE HEROS CAN DEFEATS THE COMMON ENEMYS AS POSSIBLE ARENA ENEMY SPONGEBOB MEMBER:A-HA THERE THESE SUPER HEROS TRYING TO STOP US GO AND DEFEATS HIM ARENA ENEMYS:YES LETS DO IT!.