Last set of questions!

Questions.

21. In Final Fantasy X, how old is Rikku?

22. In Final Fantasy X, what is the name of the huge desert island in Spira?

23. In Final Fantasy X, there is a reference to Final Fantasy IV. What is it?

24. In Final Fantasy X, what is the name of Tidus' legendary weapon?

25. Who runs the chocobo ranch in Final Fantasy X-2?