The Blue-Crested Blaster is a rare type of jellyfish that only appears in the episode "The Pink Purloiner." It, along with many other rare and exotic jellyfish, appear in Jellyfish Fields during the annual jellyfish migration.
The Blue-Crested Blaster is blue and has a rooster crest on its head. It looks similar to No Name. It also has five white spots on it and four stingers.