The Bubble Guppies are the titular main group/characters of the series. They appeared in every single episode of the show of the same name.
Characters[]
- Molly - A bubbly human guppy girl. She is the primary host of the show (along with Gil) and Gil’s best friend. Molly appears alongside Gil in the transitional segments, where she aids Gil in hopes that problems won't arise. She has tan skin, long pink hair, and brown eyes. She wears a cadet and turquoise blue striped tail and bikini. Brianna Gentilella provides her singing voice in all seasons and her speaking voice in seasons 1–2 and season 6 episodes 2-13 and from episode 15. Her speaking voice is provided by Bailey Gambertoglio in seasons 3–4 and Taylor Kaplan in seasons 5–6.
- Gil - A silly human guppy boy. He is the secondary host of the show (along with Molly) and Molly’s best friend. Gil gets scared easily, and appears alongside Molly in the transitional segments. In those segments, he often attempts to do something but with unexpected results. He has fair skin, blue sideswept hair, and blue eyes. He wears a green and forest green tail. He is voiced by Zachary Gordon in season 1–season 2 episode 2, Jacob Bertrand in season 2 episode 3–season 3, Jay Gragnani in season 4, and Quinn Breslin in seasons 5–6. His singing voice is provided by Teddy Walsh in season 2 episode 4–season 3, Nirvaan Pal in season 5 and Brody Bett in season 6.
- Goby - A human guppy boy with an imaginative personality. He is also good friends with Gil. He has dark skin, curly navy blue hair, and brown eyes. He wears a blue and purple tail. He is voiced by Jelani Imani in seasons 1–2, Marleik "Mar Mar" Walker in season 3, Issac Ryan Brown in season 4, Caleb Clark in season 5 episodes 1–24 and Josiah Gaffney in season 5 episode 25–season 6. His singing voice is provided by Christopher Borger in season 1 and Johntae Limpscomb in seasons 3–4.
- Deema - A human guppy girl with a wild imagination and often plays the role of shopkeeper in the "store" segments. She has fair skin, large curly blonde hair, and blue eyes. She wears an orange tail and bikini with sunglow polka dots and orange earrings. She is voiced by Angelina Wahler in seasons 1–2, Grace Kaufman in seasons 3–4, Catherine Bradley in season 5 and Zoe Glick in season 6. Her singing voice is provided by Selena Gonzalez in season 1.
- Oona - A human guppy girl with a sweet personality. She has pale skin, purple pigtailed hair, and brown eyes. She wears a purple and dark purple tail and a pink star clip in her hair. She is voiced by Reyna Shaskan in seasons 1–2, Tori Feinstein in seasons 3–4, Colby Kipnes in seasons 5–6, and Mia Lynn Bangunan from season 6 episode 8.
- Nonny - A human guppy boy with an intelligent personality. Despite not smiling a lot, he is the most polite and mature member of the group. He is also Oona's best friend. He is smart and helps Deema pronounce words and helps his friends answer their questions. He has fair skin, short stubby orange hair, and green eyes. He wears a green and kiwi green striped tail and blue scuba glasses. He is voiced by Eamon Pirruccello in seasons 1–2, Jet Jurgensmeyer in seasons 3–4, and AJ Kane in seasons 5–6. His singing voice is provided by Eason Rytter in the season 3 special 'The Puppy And The Ring'.
- Mr. Grouper - A big orange goldfish and the guppies' teacher. He respects the kids' imaginations, ideas, and suggestions. A prominent feature in seasons 1-4 is that he can also change his natural orange skin into a wide variety of different colors and patterns. He is voiced by Tino Insana from 2011 to 2016 and Fred Tatasciore since 2014. His singing voice is provided by Chris Phillips in seasons 1–4.
- Bubble Puppy - Gil's pet puppy and best friend. He has orange and white fur and a green collar with a yellow fish license. He is voiced by Frank Welker.
- Zooli - A human guppy girl introduced in season 5. She is an animal expert. She has dark skin, curly purple hair in a bun, and dark brown eyes. She wears a magenta and pink swirled tail and a blue seashell headband in her hair. She is voiced by Leah Janvier.
- Little Fish - A group of small orange goldfish who appear throughout each episode as guides for the viewers. They announce the episode's name and shout out the answers to viewer-response questions, as well as provide commentary in some scenes. They are voiced by Skai Jackson in seasons 1–2, Mia Vavasseur in season 3, Kayla Erickson in season 4, and Jordan Friedman in seasons 5–6.