How to fold a Yakko-san

Fold the corners to the center three times over, then open three of the four small squares into the sleeves and trousers.

Steps to fold a Yakko-san (18 steps)

Step 1Start with the white side up. Fold the top right corner to the center (first blintz fold).
Step 2Fold the top left corner to the center too.
Step 3Fold the bottom left corner to the center too.
Step 4Fold the bottom right corner to the center too.
Step 5Turn the paper over.
Step 6Fold the right corner to the center (second blintz fold).
Step 7Fold the top corner to the center too.
Step 8Fold the left corner to the center too.
Step 9Fold the bottom corner to the center too.
Step 10Turn the paper over again.
Step 11Fold the top right corner to the center (third blintz fold).
Step 12Fold the top left corner to the center too.
Step 13Fold the bottom left corner to the center too.
Step 14Fold the bottom right corner to the center too.
Step 15Turn the paper over. There are four small squares, and each has a slit (two paper edges meeting) running from the center to its outer corner.
Step 16Put a finger into the slit of the right square, spread it open, and bring the center corner out to the outer corner, squashing the square into a rectangle.
Step 17Open and squash the left square the same way.
Step 18Open and squash the bottom square the same way. Leave the top square closed for the head. Yakko-san is finished.
Finished