Fuujin is 17, Raijin is 18, and Seifer is 18.
Dear Qurange.
This don´t refute my theory.
If you recall my ancient threads you will remember the explanation for that (which is easy to guess).

Don´t like?

So read these others:

Edea+Seifer=Rinoa.
Rinoa+Squall=Zell.
Zell+Quistis=Selphie.
Selphie destined to marry Irvine.