Known Family[]
Shellington[]
Shellington is Pearl's younger brother, and they are both scientists. They love to see each other, go on missions and study new creatures together. Though Pearl spends most of her time in the kelp forests doing her urchin duties, something Shellington cannot because of his allergies to urchins, and also raising her only son Periwinkle to help her with those duties. They get to spend more time together in Octonauts: Above & Beyond, and Periwinkle, who has gone through a growth spurt, joins them in helping and learning too.
Periwinkle[]
Periwinkle is Pearl's son who first appears in The Urchin Invasion. Peri wants to become a scientist like his mom and his uncle Shellington. Pearl cares very deeply about her son and his safety. When he was a baby, she taught Peri how to catch and eat red urchins. Even though he did have trouble at first because he kept finding other red objects, he eventually managed to catch one, making her very proud. He did get to go with his mom on some adventures in Above and Beyond Season 2, like in The European Bison and The Giant Carp. She showed concern for her son's safety when she saw him on top of a wisent named Vim, but she calmed down when she saw they were friends. He also made his mom proud when he helped bring Carl the Giant Grass Carp back to his natural habitat.
Friends/Acquaintances[]
Captain Barnacles[]
The Captain of The Octonauts.
Kwazii[]
An orange pirate cat which is part of The Octonauts
Peso[]
The Penguin medic of The Octonauts.
Dashi[]
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Tweak[]
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Creature Friends[]
Clem the Pupfish and his School[]
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Albatross Flock[]
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Pika Colony[]
i forgot which episode it was but when a glacier is quickly melting because of pink algae and causing flooding in the valley below, pearl was the first one that noticed that the group of pikas and their mounds were trapped above rising water.
Vim the Wisent[]
Vim is a European cousin to the North American Bison, also known as a Wisent. She first saw him eating berries from a tree and Periwinkle sitting on his back. At first, she tries to get Peri to climb off of him out of fear for her son, but her fear diminished after seeing that Vim and Peri were friends. She also aided him in getting him to Peso to be bandaged when his leg was injured. Using a wheel from a Gup-M, Vim was able to run toward the meadow while running from the hungry bear, and Pearl gave him encouragement to keep running until they got onto the Octoray.
Carl the Giant Carp[]
(S2 E11 Octonauts Above and Beyond) Carl is an Asian Giant Grass Carp, who is an invasive species to North America. In The Octonauts and The Giant Carp, Carl was very uncooperative, because he only cared about eating all the grass in the Great Lakes. It wasn't until he got trapped by crumbling mounds of dirt that he finally understood the damage he caused and let the Octonauts take him back to his natural habitat.