Sparky – Unlocked in the item store
Golden Sparky – Unlocked after completing the “Who’s Laughing Now” achievement (you can do it in Custom Game)
Pink Sparky – Unlocked in Surprise Eggs
Blackeye Sparky – Unlocked in Surprise Eggs
Browneye Sparky – Unlocked in the item store (300 cookies)
Convict Sparky – Unlocked in the item store
The One Sparky – Unlocked at Surprise Eggs
Boy-Sparky – Unlocked in the item store (6000 cookies)