"Moisture Creature" is a hidden character in Yu-Gi-Oh! The Falsebound Kingdom. He claims to be an alien that got trapped inside the game and is identified as a monster character. He attacks with the gun-like device, the attack called "Sterilizing Beam".
In the full game model, "Moisture Creature" is an alien-like character. The umbrella-like device is spread out in Defense Position.
The spiky objects inside this monster's weapon canister are the same objects in the artwork of Servant of Catabolism (which is also an Immortal monster in Yu-Gi-Oh! The Duelists of the Roses). It is CRUSH, as shown in Yu-Gi-Oh! The Duelists of the Roses when this monster is destroyed, CRUSH field appears.
This card may reference the phrase "on Cloud Nine", as clouds are made of moisture (card name) and this card is Level 9.