--- Scrap Brain Zone --- Number of acts: 3 Time to complete: ~4 minutes Difficulty: Moderate Bottomless pits: Yes Water: Act 3 only 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.       Unknown "Bomb" Unknown Similar to the Bobomb enemies from Mario games, they explode when Sonic goes near them, throwing out four pieces of shrapnel.       Ball Hog (Source: Manual) Tonton (Source: Manual) Pig enemy, jumps up and down in one place, occasionally throwing bouncing cannonballs at you.