Jeffrey the Jellyfish
Patrick with Jeffrey in his wagon.
Physical appearance
Gender: Male
Color: Pink
Eye color: Black
Classification: Mascot suit
Enemies: Patrick Star
Series information
First appearance: "I'm Your Biggest Fanatic"
Latest appearance: "Tutor Sauce"
List of characters

Jeffrey the Jellyfish first appears in the episode "I'm Your Biggest Fanatic."


Jeffrey is a large mascot suit of a pink jellyfish. Instead of normal stingers, he has legs and knees, as shown when they are bent over while Patrick carries him away in a little wagon. His expression seems to change depending on the situation.


I'm Your Biggest Fanatic

Patrick chases him to touch him. At the end of the episode, Patrick has him tied up in a wagon.

Tutor Sauce

He appears in the background at the arcade that SpongeBob and Mr. Krabs go to to teach SpongeBob how to drive.

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