Crankster, A.K.A. Experiment 363, is an illegal genetic experiment created by Jumba Jookiba. He is designed to crank up the volume as much as he can.
Experiment 363 was the 363rd genetic experiment created by Jumba with Hämsterviel's funding. He was designed to crank up the volume as much as he can.
363 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 Crankster.