Huge Gargoyle Dragon
The Huge Gargoyle Dragon is an EXCLUSIVE pet that was available from the Exclusive Pets Egg, with a 2% chance of hatching. It was released in the Axolotl Update. This is actually the Huge version of the Gargoyle Dragon pet.
The latest Pet Simulator X value list for Huge Gargoyle Dragon can be found below:

Regular
💎 350,000,000,000 (350b)

Golden
💎 740,000,000,000 (740b)

Rainbow
💎 1,000,000,000,000 (1t)

Dark Matter
💎 Not Available