The Plixo (イオ Io) is an Aurum enemy introduced in Kid Icarus: Uprising. This enemy is composed of a series of green, yellow, pink, and blue tiles. Rather than attacking, these stationary enemies simply cycle through a set of designs formed by their tiles. They pose no threat to Pit whatsoever, and are usually placed off to the sides of an area. They are first seen in the chapter Mysterious Invaders and appear in both following Aurum chapters, as well as in chapters 21 and 24.
Kid Icarus: Uprising
"Originally intended to function as solar panels, this Aurum creature has no particular method of attack. Perhaps the tulips and fish they display on their pixel-like light grids are a sign of consciousness."