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Peso Penguin
Peso Prof


Peso Penguin







Favorite Gup



Paul Panting (UK)
Wayne Grayson (US)



Peso Penguin is the medical officer of the Octonauts. He is a kind-hearted penguin from a large family who likes to help any injured sea creature. He is very shy and gets scared easily by Kwazii's spooky stories, but he can be brave when there is someone who needs his help. He has a little brother named Pinto who thinks he is a real hero and Pinto has even been to visit him a few times at the Octopod.

Peso is often the first to show fear when a mission involves any kind of danger, but he has shown that he is very capable of pulling through even the most stressful situations. He tends to always say " I help any creature who is hurt or sick no matter what ".

He's a talented medic, often gaining the trust of injured or frightened sea creatures far easier than his crew mates due to his gentle personality, politness and he's able to bandage them up even quicker. And sometimes he gives the underwater creature a sticker.

Like Captain Barnacles, Peso also has love for a specific kind of instrument; the Xylophone. In "The Octonauts and The Beluga Whales" he plays the same song as the Beluga Whale song. Obviously sounding British in the UK version, the US version of the show gave them Hispanic accents.


Like the other Octonauts, Peso has a large head in proportion to his body. The white feathers on his face are separated from the black ones in an oval shape, with a widow's peak-like dip at the top. His tummy is white. He has round black eyes with a small white dot in the center of each that represents both his pupils and the light reflection. He has a small, round yellow beak and tangerine orange webbed feet.

He wears a black-and-white shirt that looks exactly like his torso, a deep blue-trimmed icy blue medic hat bearing the Octonauts symbol, and a sea blue collar.
Peso in medic room

Other Outfits

  • Deep Sea Suit
  • Tuxedo
  • Suction Cup Suit
  • Inside-Out Suit
  • Snow Suit

Octo Alert

When Captain Barnacles sounds the "Octo Alert" he is usually found in the Sick Bay. For the Launch Bay he is usually with Barnacles and Kwazii running in the hallway.


  • "Flappity flippers!"
  • "When a sea creature is sick, I'm there."
  • "I help any creature who is sick or hurt, no matter what."
  • "I am here to help you feel better!"
  • "Good as new!"

Other friends

Known Family

  • Pinto - Little Brother
  • Mom
  • Rocko - Cousin
  • Pogo - Big Brother
  • Aunt Papita (picture)
  • Grandma Perdita (picture)
  • Uncle Pepe (picture)
  • Piñata -Sister (picture)
  • Petina -Cousin (picture)



If you want to see more pictures of Peso, See Peso Penguin/Gallery.

Main Characters
Captbarnacles Kwazii Cat Peso Prof Shellington Profinkling Dashi Tweak Tunip Prof
Barnacles Kwazii Peso Shellington Inkling Dashi Tweak Tunip

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