A Confirmation sponsor is a different role altogether. The sponsor is one who affirms you are ready to become an adult in grace before the eyes of the Church and presents you as such. No spiritual bond is made, though you may certainly stay close with your sponsor.
You cannot change your Godparents.
It depends on the religion in question, but in Catholicism the godparents are the witnesses to baptism and you can't retrospectively change who witnessed something.
I don't think there are any hard and fast rules, but probably not. Although godparents are often thought of as purely symbolic, some believe that the godparents agree to help bring you up in the faith in which you were baptised.
I don't think he had godparents.
You need godparents because if your parents die and you have nobody to look after you then your godparents can look after you.
You can only have Catholic godparents or Orthodox godparents. No protestants can be godparents in the Catholic Church.
You can't. Fairy GodParents don't exist.
before you have a communion you asksomeone close to you if they want to be your godparents. and there job is if there parents die the godparents will take care of him/her.
There is not usually any legal documentation of Godparents. This is a private agreement between parents and Godparents. Sometimes Godparents are listed in a Power of Attorney or a will.
No, once a Godparent, always a Godparent in the Catholic Church.
Poseidon did not have "godparents", his parents were Titan gods, Rhea and Cronus.
No, there are no Godparents nor sponsors for First Holy Communion.