Sludge Jellyfish

Sludge Jellyfish (ヘドロクラゲ, Hedoro Kurage) is a member of the Monster Association and an ally to Phoenix Man. It is one of the Mysterious Beings who assaulted S-City alongside Elder Centipede.

Appearance
One of its most notable features is, that Sludge Jellyfish looks like a walking blob with two eyes. It has goop like skin and filaments. Because its appearance, it leaves a trail like a snail.

Personality
Sludge Jellyfish is one of the first friendly monsters to appear, alongside Phoenix Man. It even tried to invite Garou to join the Monster Association despite being almost killed and rudely turned down by him.

Monster Raid Arc
Sludge Jellyfish is first seen watching the battle between Garou and Metal Bat alongside Phoenix Man. After the fight was finished, it tried to intercept Garou only to be brutally smashed by him, who already knew he was being watched.

However, thanks to his regenerative abilities, Sludge Jellyfish survived his attack. It got angry, but still tried to invite Garou to join the Monster Association. Unfortunately, the invitation rudely turned down. Sludge Jellyfish then leaves alongside Phoenix Man.

Abilities & Powers
Not much is known about Sludge Jellyfish, except that it's one of the few monsters with regenerative abilities.

Physical Abilities
Regeneration: Sludge Jellyfish possesses great regeneration. It was able to regenerate back from a pile of goo after being brutally smashed by Garou.