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The mermaids are a group of five mermaids who used to live in the Bikini Bottom Triangle and steal many objects from Bikini Bottom. They are each similar to Princess Mindy. They all first appear in the episode "Welcome to the Bikini Bottom Triangle," and two of them (the purple-haired mermaid and the blue-haired one) appear in "Mermaid Man Begins." Their personalities is similar Pearl and they later became friends with her after returning the items and going to the mall.

Ginnifer Goodwin voices the lead mermaid with purple hair, Lori Alan voices the red-haired mermaid, Jill Talley voices the blonde and blue-haired mermaids, and Sirena Irwin voices the dark purple-haired mermaid.


There are five mermaids in total. They all look similar to each other, apart from their hair and tails. There is a red-haired mermaid with a teal colored tail, a blue-haired mermaid with an aqua colored tail, a black-haired mermaid with a green colored tail, a purple-haired mermaid with a lime-green colored tail, and lastly a blonde-haired mermaid with a lighter green tail.

Role in series

"Welcome to the Bikini Bottom Triangle"

The mermaids are first seen stealing in Bikini Bottom from their singing. Their reason for stealing the objects is so they can find something "cool" to wear. They have personalities of stereotypical bratty teenage girls and feel no obligation in returning stolen items.Patrick is revealed to have a crush on the mermaids when he sees them but unlike Mindy, they were somewhat confused seeing Patrick when he wants to hang out with them.


Pearl and the Mermaids become friends

Later on, they reject him by throwing him onto Mr. Krabs for annoying them. They are then confused by Pearl's rants of wanting to go to the mall and asks her what a mall is before being excited by her explanation of it. They then decide to go with her to see it for themselves. They then sing their song backwards, after SpongeBob suggests it and doing so returns the enormous pile of the stolen objects back to Bikini Bottom.

Once the items are back, they become friends with Pearl and excitedly go to the mall with her.

"Mermaid Man Begins"

Mermaid Man's version of his backstory including the lead mermaid. She saves him from drowning and gives him a magic sea star that allows him to breathe underwater. The blue-haired mermaid helps too. They have more realistic appearances in this episode, but exactly the same colors.

"The Curse of Bikini Bottom"

It is mentioned twice when SpongeBob and Patrick are turned into ghosts that they are mermaids.

Legends of Bikini Bottom (book)

They appear on the cover and during the "Welcome to the Bikini Bottom Triangle" story.

Legends of Bikini Bottom (game)

The mermaids are the main focus of the minigame "Suction Destruction." They prepare their giant vacuum to take everything in their path. SpongeBob dodges the vacuum's debris and throws TNT barrels at it. At the end of each level, SpongeBob has to dodge the mermaids' music notes.

SpongeBob Comics No. 16

In the story The Treasure of Captain Goldfish, the blue and blonde-haired mermaids appear along with a green mermaid on a rock near Goo Lagoon.

SpongeBob Comics No. 23

A purple mermaid appears on the included poster.


  • Like Mindy, Patrick has a crush on them because he loves mermaids.
  • They are also seen on the cover of the Legends of Bikini Bottom DVD.
  • One poster shows SpongeBob and Patrick going into a cave where they find a picture of the lead mermaid, Madame Hagfish, and Ma Angler on the cave walls.

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