The title of this article is conjectural; an official name for the article's subject has not been found, so it has been given a fitting title by the editors. If an official name is found, then the article should be moved to its appropriate title.
A Grey Brick Block is an item appearing in World-e of Super Mario Advance 4. It is a solid block that can only be destroyed using the Hammer Suit or the Tanooki Suit's statue mode. Unlike Brick Blocks and Ice Blocks, they do not glisten.