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- This monster is named after, and has a body in the shape of, an ammunition belt.
- Also, its name is possibly a pun of the Berlin Wall.
- In the anime, this monster's Wall Counters are represented by the red orbs on its forehead lighting up (there are only four, representing the maximum number of Wall Counters it could have in the anime).
- In the dub, the "bullets" that make up this card's body shine and glow, slightly obscuring them.