Punkey
The Punkey is an EXCLUSIVE pet that was sold in the Exclusive Shop for 1,199 Robux. It was introduced in the Christmas Update. It was a limited-time pet and is no longer available.
The latest Pet Simulator X value list for Punkey can be found below:

Regular
💎 8,000,000,000 (8b)

Golden
💎 Not Available

Rainbow
💎 Not Available

Dark Matter
💎 Not Available