Hold on, dears! Perhaps, I could shower them with warm water from my spout.
~ Thelma agreeing to Snowbert so she can free him from the icy thicket.


Thelma the Whale, commonly known as Mrs. Whale, is the friend of the puffins in Mossy Bay Island. She also travels to the North Pole. However, she is mostly seen from a distance on Mossy Bay.

Physical Appearance

She is a sperm whale in light blue colouring. Like all whales, she has a blowhole on the top of her head. Her eyes are colored dark blue. She has a pair of blue fins.


Thelma is very kind to Hercule and the puffins of Mossy Bay. However, she is always wise whenever someone asks for help.

Besides living in Mossy Bay, Thelma is also very good at transportation by bringing Hercule, Sidney, and Snowbert across the glacier. She is also known for spraying water from her blowhole to save Snowbert from being stuck on a thicket of snow. She is also good at helping other animals like Sidney.

Like all whales, Thelma cannot move when on beached on land. Thelma is one of the oldest animals living in Mossy Bay, as revealed in Episode 70.


Season 2

  • The Story of Hercule Mustache (first appearance, not named, no lines)
  • The Story of the Puffins of Mossy Bay (no lines)

Season 3

  • The Story of Jamie the Littlest Puffin (no lines)
  • The Story of the Puffins' Treasure
  • The Story of Snowbert's New Friend
  • The Story of Thelma the Whale

Season 4

  • The Story of the Whale Trip
  • The Story of the Record-Breaking Puffins




  • She, along with Gunnar, Alfie, and Charlie, are the only characters that don't speak in Season 2. However, she, along with Gunnar, Alfie, and Charlie, are given speaking roles in Season 3 and 4.
  • Thelma does not speak outside Adobe Flash. The same thing is shared with Gunnar along with Alfie and Charlie.
  • She is the second resident to appear in another region besides the zoo and her home. The first is Hercule Mustache.
  • Thelma is based on a sperm whale.
  • There is a similar character named Sandy was featured in the animated series "Louie" (a series by Millimages). Both, she and Sandy are whales who are beached on land and are helped by protagonists by bringing them back on water. However, there are a difference between two. Louie and Yoko used a digger to bring Sandy back to the ocean. Thomas, Sharon, Lewis, and Jamie helped Thelma get back to the ocean by pushing her. Also, Thelma and Sandy are whales that are featured in Millimages cartoons.
  • Thelma is the first animal that only lives on water. The other one is Confuse-us.
  • She never spoke until Episode 60.
  • Thelma does not have a mouth until Episode 36.
  • Thelma is the third animal that gets yelled at with harsh words. The first is Melanie. The second is Gary. The fourth is Nigel.
Community content is available under CC-BY-SA unless otherwise noted.