He is very powerful and has the ability to burn others and is also very fond of Krabby Patties. He was owned by Planktonamor, until he stung him after tasting SpongeBob's Krabby Patties and switching to his side.
The dragon jellyfish is a huge jellyfish with pink scales on his head, six long tentacle stingers, a barb, eight red polka dots, and a dragon tail.
The dragon jellyfish can fire electricity from his tentacles and seems to be easily calmed down when given food, as he stopped his rampage after being given a Krabby Patty by SpongeBob.
List of places the dragon jellyfish has destroyed (as heard in one of Squidly's songs):