Here are instructions on how to make one. They are very general but it is all that I could find. Good luck!
http://family.go.com/halloween-costume-contest/unique-costumes-1/yoshi--unique-costume-1076/
No. the luigi costume only works with yoshi.
You don't need a code, just select him and thenpress A with the hand on his picture to change his costume.
The different colored Yoshis in the Mario series are Yoshi (green), Red Yoshi, Blue Yoshi, Yellow Yoshi, Purple Yoshi, Brown Yoshi, Light Blue Yoshi, Pink Yoshi, Black Yoshi, and White Yoshi.
Yoshi Yoshi Yoshi
He Yoshi do
yoshi is a yoshi. or you could say he is a dinosaur
Yoshi's official name is "Yoshi".
There is not a playable purple Yoshi in Yoshi's Story,but one does appear in the game...
Yoshi drawing tutorial.
www.yoshiart.com for all Yoshi!
all the other Yoshi s. but birdo is a yoshi.
Nice question but Yoshi isn't a raccoon. Yoshi is a turtle.