Clu Clu Land (universe)
From SmashWiki, the Super Smash Bros. wiki
The Clu Clu Land universe (クルクルランド, Clu Clu Land) refers to the Super Smash Bros. series' collection of properties that hail from the Clu Clu Land series of puzzle games developed and published by Nintendo. Originating on the NES, the series has had a variety of references in other Nintendo properties since its debut.
Bubbles, the protagonist of Clu Clu Land, appears as a trophy.