Stacked Doge Noob
The Stacked Doge Noob is an EXCLUSIVE pet that could have been bought from the Exclusive Shop for 1,299 Robux. It was introduced in the Halloween Update. It is based on the Doge and Noob pets.
The latest Pet Simulator X value list for Stacked Doge Noob can be found below:

Regular
💎 25,000,000,000 (25b)

Golden
💎 Not Available

Rainbow
💎 Not Available

Dark Matter
💎 Not Available