Shellington Sea Otter

"Ah yes! Dr. Shellington is ALL part of the job, yet he's great at science and stuff, like me. I did science when I was a kindergartener, and I was the best of the rest in kindergarten, even in all of my school life, from elementary to military academy. Now he's helping me to train me for that battle out there."

--Su Ji-Hoon, The Octonauts and the Great War

Shellington Sea Otter is a sea otter also part of the Octonaut crew. He is the Octopod's marine biologist with a Scottish accent. He's a cute, nerdy sea otter who loves doing field research and working in his lab. He's easily distracted by rare plants and animals and often gets into trouble because of this, but his knowledge of the ocean is a big help in Octonaut missions. He is very studious about marine life and likes to study all about it in the lab.

In When the Cold Breeze Blows Away, he serves as a scientist of the Octonauts, which is both part of the Future Alliance and the Sonic Alliance.