Sonic the Hedgehog 2
In Sonic the Hedgehog 2, Wocky along with other animal friends at Westside Island gets kidnaped by Doctor Robotnik and becomes a power source for doctor's badniks. In the game, Wocky can be found at Hill Top Zone and Metropolis Zone.
Wocky later make another appearance in Sonic Spinball, as the player has to freed him from purple capsule at bonus levels of the game. Wocky can be found from first and third Bonus levels.