|Favorite Thing to Do||Talking|
|Voice Actor||Eamon Pirruccello|
Aiden is a six-year-old guppy. He first appeared in Episode 1: The Baby.
Aiden's personality is so huge that others can't even speak to him without being interrupted. He and his younger sister, Justyna, were introduced in the same episode. His favourite colours are red and blue, revealed in Episode 2: The Rainbow. Aiden lives with his father and pregnant mother next to Bubble Tucky Library
Aiden has ginger hair, blue eyes, and a teal tail.
- Justyna - Sister