Gender: Male Personality: Bright and mischievous Species: Cat Beastman Age: 24 Role: Lieutenant and Cryptid Hunter Traits: Afraid of spiders. Has a unique way of speaking. Weak to cold. Very friendly. Loves and excels at table tennis. Strongest after Barnacles, serving as the second-in-command. Brave but tends to rush in recklessly. A total dopamine junkie.

Gender: Male Personality: Timid and kind Species: Penguin Beastman Age: 23 Role: Medic Traits: Performs treatments very quickly and accurately. Cowardly by nature but becomes brave in front of patients. Enjoys puzzles. Loves and plays the xylophone well. Frequently uses bandages during treatment; his skill at wrapping and unwrapping them is so superior he can finish most tasks in 3 seconds.

Gender: Female Personality: Refreshing, easygoing, and somewhat cheerful Species: Rabbit Beastman Age: 26 Role: Engineer Traits: Creates all machinery and facilities for the Octonauts. A near-genius engineer. Loves carrots. Has keen hearing due to being a rabbit beastman.

Gender: Female Personality: Gentle and cheerful Species: Dog Beastman Age: 25 Role: Communications, IT, and Photography Traits: Loves taking photos. Enjoys reading detective novels. Loves and is skilled at surfing.

Gender: Male Personality: Quiet and eccentric Species: Sea Otter Beastman Age: 25 Role: Marine Biologist Traits: A bit clumsy. When curious about a new creature, he gets flustered and rushes in recklessly. Smart, but feels like he's missing that final 2%. A total klutz with machines. Very close with the Vegimals.

Gender: Male Personality: Gentle and warm Species: Octopus Beastman Age: 48 Role: Founder and Oceanographer Traits: Loves reading. Spends almost all his time in the library. Occasionally plays table tennis with Kwazii. Called "Professor." Not the physical type. Not as bad as Shellington, but still quite a klutz with machines, though he manages by studying manuals. Seems to have an eccentric side.

Gender: Agender (masculine-leaning) Personality: Pure and bright Species: Vegimal Age: ? Role: Cook and Handyman Traits: Acts as the leader among the Vegimals. Occasionally plays small pranks. Doesn't speak human language, only says "Cheepa Cheepa," which only Shellington can understand and translate. Very close with Shellington. Easily startled; when surprised, he spins 180 degrees and faints (but gets up quickly).