--- Scrap Brain Zone --- Number of acts: 3 Time to complete: ~5 minutes Difficulty: Medium Bottomless pits: Yes Water: No Level wrapping: No Enemies: English name Japanese name Description       Caterkiller (Source: Manual) Naaru (Source: Manual) Caterpillar enemy, moves very slowly. Hurts Sonic if he jumps on its body segments, and can only be killed by jumping on its head.       Ball Hog (Source: Manual) TonTon (Source: Manual) Pig enemy, jumps up and down in one place, occasionally throwing bouncing cannonballs at you.