Derecho

The pseudonym is a name that a physical person assumes for a particular purpose and that differs from his or her true name. Pseudonyms are often used to hide an individual's real identity,as with writers' pen names, graffiti artists' tags, or terrorists' noms de guerre, and computer hackers'.
Employers sometimes require employees to use assigned names to help sellproducts; for example, a company that does business mostly in one country but locates a call center in another country may require its employees to assume names common in the former country in aneffort to draw a more positive reaction from current and for prospective customers.
A nickname is a name different in origin and pronunciation from the original name. It can also be thefamiliar form of the proper name which may sometimes be used simply for convenience. A nickname is sometimes considered desirable, implying a form of acceptance, but can often be a form ofridicule.
Witness security program is protection of a threatened witness or any person involved in the justice system, including defendants and other clients, before, during and after atrial, usually by police. While a witness may only require protection until the conclusion of a trial, some witnesses are provided with new identity and may live out the rest of their livesunder government protection.
In our Mexican legislation the parents have the right to name their children, but if they want (the children) could change their name under some circumstances andafter some legal procedures and that procedures are called Information ad perpetuam.
Adoption is a process whereby a person assumes the parenting for another and, in so doing, permanentlytransfers all rights and responsibilities from the original parent or parents. Adoption is intended to effect a permanent change in status and as such requires societal recognition.