Uh.... Are you.... serious? Vaan doesn't look a darn thing like Tidus.

Vaan:
http://home.comcast.net/~famitsu/gam...eenshot_13.jpg
http://home.comcast.net/~famitsu2/images/model_02.jpg

Tidus:
http://www.rinoasplace.blogger.com.br/section-tidus.jpg
http://www.avalancheonline.net/tidus.jpg

Still think that they look the same?