Card Trivia:Doll Monster Bear-Bear
- This is one of the cover cards of Premium Pack 2021.
- This monster appears in the artworks of "Box of Friends", "Hatsugai", and "Doll Happiness".
- This card's Japanese name, "Kumacchi", features the honorific "-chi", which is used to describe someone or something in a "cuter" way.
- This monster has customized and re-customized forms: "Doll Monster Bear-Bear, Customized" and "Doll Monster Bear-Bear, Re-Customized".
- This card's OCG/TCG artwork is taken from Yu-Gi-Oh! ZEXAL Rank 16: "The Third Enemy!!", specifically from the panel showing this monster being Summoned.