No one invented it. Are you attempting to suggest that the species was man-made?
yes spongebob does LOVE jellyfishing
The SpongeBob Jellyfishing Mission Code is: savethejellies
Jellyfishing
Jellyfishing .
jellyfishing!!!
His favourite hobbies are jellyfishing (catching a jellyfish in a net, then squeezing out the jelly and letting it go), working (he's a fry cook for the Krusty Krab) and playing with his friends (Patrick is his best friend - dumb on the outside, the Einstein part locked away for 99.99999% of the time. Squidward is a moody middle-aged squid who plays the clarinet badly and hates SpongeBob, though SpongeBob thinks Squiddy is his best buddy).
The third episode of Spongebob was called "Jellyfishing/Plankton". This is the episode where Spongebob takes Squidward jellyfishing in his body cast. Spongebob also meets Plankton for the first time.
You can play the games splash, or jellyfishing
you go to the krusty krab and someone will be waiting for you
In the cave that is hidden by Spongehenge.
its outside the chum bucket
going to work at the krusty krab and going jellyfishing