Yellowstone, A.K.A. Experiment 311, is an illegal genetic experiment created by Jumba Jookiba. He is designed to paint everything a vulgar shade of yellow.


Experiment 311 was the 311st genetic experiment created by Jumba with Hämsterviel's funding. He was designed to turn everything into a vulgar shade of yellow.

311 and the other first 624 experiments were deactivated and smuggled to Earth by Jumba during his mission to capture Experiment 626.

All of the experiment pods were released and scattered across the island of Kauai.

At the unknown point, he was activated, captured, tamed and named Yellowstone.



Yellowstone is a short, almost 625-like experiment. He has three antennas on his head, and two ears that end in V shapes. He has one tooth that sticks out, and his most defining feature, a paint cannon on his tail that he shoots yellow paint at things with.

Special Abilities





  • Yellowstone is seen in his pod form in Stitch! The Movie.
  • Yellowstone's pod color is yellow.

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