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Mr. Moon is an invincible moon-like enemy who currently only appears in Wario Land 3. Mr. Moon's appearance is based on that of an anthropomorphic moon. He only appears in nighttime flying around trying to shoot Wario with electrical beams to transform him into Electric Wario. His first level appearance is in The Vast Plain. He later appears in The Colossal Hole. He does not appear during the daytime. He is replaced by Taiyō instead.