(Uhhhh i'm back >:D) You're a new Octonaut thats it lol, state ur name, gender and species u can be an existing one or extinct one idc optional things are age and relationships with characters lol also i'm adding characters from the spin off "Above and Beyond and stuff so ye also u can have multiple oc idc also ur Oc can be an actual animal or a mythical one like a unicorn or some shit idk

Captain Barnacles: Welcome to The Octonauts! We hope you have a great time here!

Kwazii: Oi matey! Hope you enjoy being part of our crew!

Peso: If you or an animal is sick or hurt i'll be there to help-!

Dashi: I'll show you some of my pictures won't that be so cool?

Shellington: If you find any animals that need help researching i'm here!

Professor Inkling: I hope you spend you time well here.

Tweak: If any of the Gups need fixin' i'll be there faster than you can say 'Buncha Munchy Crunchy Carrots'!

The Vegimals. Tunip, Codish, Barrot, Grouber, Tominnow, Halibeet and Sharchini are speaking Vegimalese which you and the others can't really understand

Shellington: The Vegimals wish you a great first day!

Then the rest of the Octonauts called the Octo-Agents and the Junior Octo-Agents walk in Paani, Pearl(Shellington's sister), Bianca(Barnacle's sister), Tracker, Nat, Calico Jack, Ranger Marsh, Min, Selva, Pinto (Peso's younger brother) and Koshi (Dashi's younger sister) (I'm also adding Ryla even tho she isn't part of this shit but idc) all welcome you so uhh you're an Octonaut now lol Also i forgot to add their species so uhhh pls forgive me, Barnacles, Bianca and Tracker are polar bears, Tweak and Ranger Marsh are rabbits and Tweaks a girl btw just letting u know, Dashi and Koshi are dogs obviously Peso and his bro Pinto is an Penguin their Chilean Penguins so uhhh they have ✨accents✨ Prof. Inkling is a Dumbo Octopus, Kwazii and Calico Jack are cats ovbiously, Shellington and Pearl are otters,Paani is a monkey, Min is a Red panda, Selva is a iguana and Ryla is a Wombat thats all sooo ye have fun 👍