Experiment 084 was the 84th genetic experiment created by Jumba with Hämsterviel's funding. He was designed to woof if he sees a bus.
084 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 Subwoof.
At an unknown point, 084 was activated, captured, tamed and named Subwoof.
Subwoof is a gray/brown dog-like experiment with three spines on his back.