Robby is a character and unlockable skin in Piggy. It can be purchased for 475 Piggy Tokens and bot of the Mall chapter, aka Chapter 10. Robby is a mall security droid that serves as the bot in Mall. He is designed to protect the mall from robbers and intruders. Robby is a gray robot resembling a pig. One of its eyes is torn out, revealing wires, while the other is glowing red. Instead of holding a weapon, it has a robotic chainsaw as its right arm.