(in the US) Yes, it would be unlawful. No one but you can legally change your name. At the time of the divorce (especially if there were children of the marriage) you will be given a choice as to whether you wish to keep your married last name or revert back to your maiden (nee) name. However, if there were no children of the marriage, the court might inquire as to why you wished to keep it - but your ex-husband would not have the power, by himself, to change it.
not if you have parental permission.
yes
No. It's illegal for them to do so without first contacting the prescribing physician and getting permission to do it. The doctor can give verbal permission by phone, or by email, or fax, but then they still have to follow up with a written, signed prescription from the doctor.
With the permission of the minor's legal guardian, it's legal.
If the 17 year old has parental permission. Note that will not change the status of the illegal immigrant, who can still be deported.
If you can tolerate whatever he used to do. If he was mean, he won't change.
Change your passwords.
Without hacking (which is illegal) you can't.
no, it requires the permission of the court.
sorry but not with out a court order saying you can with out his permission
If they do not have custody of the children, they cannot. If they have custody, they can apply to a court for a name change.
Well ! Yes.