Winceslaws, A.K.A. Experiment 439, is an illegal genetic experiment created by Jumba Jookiba. He is designed to use turn people into mice.
Experiment 439 was the 439th genetic experiment created by Jumba with Hämsterviel's funding. He was designed to turn people into mice.
439 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 Winceslaws.
Winceslaws is a light blue mouse-like experiment.