Puffy Fluffy is a character who first appears in the episode "A Pal for Gary" as a main antagonist. He reappears in the online games Gary's Revenge and What's Your Bikini Bottom Pet?


Puffy Fluffy is a nudibranch who can transform into a vicious snake head fish/Dunkleosteus form. In each version, he is very different.
Puffy Fluffy showing off his long sharp teeth in front of Gary

Scary normal version

Normal version

  • Big shiny light purple eyes
  • Long eyelashes
  • Cyan fins and tail
  • Pink and puffy lips
  • Light green fluffy body
  • Orange blushes on both cheeks
  • One small triangular tooth
  • Does not get along with other pets
  • Plump shape

Vicious version


Dunkleosteus/Rhizodus form

  • Long, giant, slender, and slug-like (round) light green body
  • Creepy eyes
  • Long, jagged teeth
  • Multiple tongues with mouths inside
  • Light blue giant fins and tail
  • Tongues tend to be sensitive to pain (as seen when Gary yanks the tongues)

Role in series

"A Pal for Gary"

SpongeBob buys Puffy Fluffy so that Gary will not be lonely while he is at work. He takes him from a fortune teller, despite her warnings about how he is unstable and dangerous around other pets. SpongeBob names him Puffy Fluffy and is angered with Gary's scared behavior towards his new "friend." SpongeBob fails to notice anything wrong with Puffy Fluffy, despite Gary acting very abnormal around him.

SpongeBob blames Gary for everything the new pet does, even when seeing him in monster form when Gary is wrapped up by his tongues and almost gets eaten. Despite almost being eaten too, SpongeBob remains oblivious towards the situation.

Puffy Fluffy ends up running away after Gary attacks him in self-defense and to save SpongeBob. Despite saving his life, SpongeBob blames Gary for making Puffy Fluffy run away, even though the pet was dangerous and nearly ate both of them.

What's Your Bikini Bottom Pet?

He is one of the pets featured on the title screen in this online game.


  • He is the only main episodic character from season 7 who does not appear on the cover of the Complete Seventh Season DVD.
  • In the Croatian dub, his name is "Čupavko," which means "Hairy."
  • A purple nudibranch similar to Puffy Fluffy appears in "Gary & Spot."
  • His species is never referred to by name in the episode.

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