The UFOs are seen only in the introduction of EarthBound and the Fourside stage of Super Smash Bros. Melee. In their EarthBound appearance, they seem to be attacking an unnamed city and shooting lightning at the ground. It is unknown who is controlling them, although they distinctly resemble a larger version of the Li'l UFO enemy and therefore might be connected with Giygas. They also appear as a Super Smash Bros. Melee trophy gained upon unlocking the Fourside stage.

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