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YaYaYa Ailens
The YaYaYa aliens (ヤーヤーヤー星人 Yāyāyā seijin) is a trio of friendly aliens that boast incredibly "dangerous" and harmless weapons. They are often also seen wearing special bracelets that can enlarge or shrink their targets. Their names are Yai (ヤーイ Yāi), Yasu (ヤースー Yāsū), and Yachi (ヤーチー Yāchī); Yai is the leader. The aliens are anime-original characters.