Grouper (Tino Insana, sung by Chris Phillips) is the Guppies' teacher.
Dot-com bubble | dot-com bubble | United States housing bubble | Japanese asset price bubble | Bubble Puppy | Soap bubble | Dubble Bubble | Bubble Gang | The Bubble | The Boy in the Plastic Bubble | Economic bubble | Bubble Bobble | Band in a Bubble | A Monstrous Psychedelic Bubble Exploding in Your Mind: Volume 1 | The Bubble (2006 film) | The Bubble (1966 film) | The Billion Dollar Bubble | Little Magnets Versus the Bubble of Babble | Liquid bubble | liquid bubble | Hubble Bubble | dot.com bubble | Class 121 'Bubble Car' | Bubble fusion | bubble dance | bubble chamber | bubble canopy | A South Sea Bubble |