Experiment 588 was the 588th genetic experiment created by Jumba with Hämsterviel's funding. She was designed to annoy people with her mexican music.
588 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, she was activated, captured, tamed and named Sa.