The Morty pet is an item that can be found while training Constitution. It can be used to unlock the Morty pet. Gaining this pet is based on the amount of experience awarded at once; the more experience granted per kill, the greater the chance of gaining this pet. When a player obtains the pet, they receive one of the following messages:
While skilling, you find Morty, the Constitution pet. It has been added to your inventory.
While skilling, you find Morty, the Constitution pet. However, you do not have enough inventory space, so it has been sent to your bank.