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White pikmin crease pattern
Here is the crease pattern for the white one, in my opinion, the hardest to figure out. I didn't include the vertical creases intersection on the right half to keep it simpler, but essentially you want to do the horizontal pleats and head level shifters first, then do the vertical pleats and the arms/legs/petals after.
The basic body would be if the horizontal pleats in the head continued all the way to the end of the paper and that the three Pikmins' body parts (ears, hair, eyes) come from making center flaps out of the pleats.
The white pikimin's eyes are formed from a color changed edge flaps at the end of the pleats. The flap is then bent around the head to come to the front.
The other two you can probably figure out on your own (but let me know if you get stuck). The purple pikmin is three center flaps on each side, and the yellow pikmin is just one.
Also, I know that the head/body level shifters are a bit complex. Let me know if you have any trouble at all and good luck!