This Nickelodeon show remains popular with preschoolers. Read on to learn the names and personalities of the Bubble Guppies. In the series, six students—Gil, Molly, Deema, Nonny, Oona, and Goby ...

“Bubble Guppies” features a group of preschool-age mergirls and merboys, and their teacher, Mr. Grouper. We list the best “Bubble Guppies” toys.