Egg Hammer Tank

The Egg Hammer Tank II is a machine built by Doctor Eggman, used once before during the kidnapping of Cream the Rabbit in Leaf Forest ("Sonic Advance 2"), until it was pursued and destroyed by Sonic. In "Dimension Mix-Up," the Doctor uses it again to stage his first attack; he encounters Sonic, Tails, and Knuckles in Leaf Forest, and uses the giant hammer to crush Knuckles where he stands. However, the echidna survives and slowly pushes the hammer up off of himself, before destroying it. The rest of the tank is then demolished by Sonic, causing the Doctor to flee in an Eggmobile.