Guest Noob
The Guest Noob is an EXCLUSIVE pet that was sold in the Exclusive Shop for 600 Roblux. It was released in the Haunted Update.
The latest Pet Simulator X value list for Guest Noob can be found below:

Regular
💎 43,800,000,000 (43.8b)

Golden
💎 Not Available

Rainbow
💎 Not Available

Dark Matter
💎 Not Available