- This card's Japanese name, Kyūkyūroid, is based off of the Japanese onomatopoeia for an ambulance siren, or the Japanese word for "ambulance", 救急車 kyūkyūsha.
- If one looks at this card's artwork closely (example), one can see the "rays" in the background artwork permeating the monster itself, as though this monster were translucent.
- This monster appears in the artwork of "Emergeroid Call".