Yellow-green Pikmin are the fourth Pikmin found in Pikmin and the beast below and are the most intelligent Pikmin found. They can learn faster than other Pikmin. they are found in the Misty Swamp as a matter of fact Olimar's son finds the yellow-green onion on a small hill in the center of the swamp. He gets a sense of pride in his discovery. Olimar becomes proud of his son and his discovery. Louie becomes jealous of Olimar's son.