Ghost (Game & Watch Zelda)

are NaN Enemies that appear in.

Characteristics
Ghosts appear in certain ordinary chambers. They cannot be defeated and do not disappear until the floor's ZG&W: is defeated. Ghosts shoot arrows at ZG&W: from behind; these arrows can be blocked by holding ZG&W:'s ZG&W: behind him, which is done by holding down the attack button.

Trivia

 * Ghosts resemble the artwork of NaN Ghinis from, and may have been directly based on them.