Most, if not all, EU countries have laws on personal names. In my country if a person has a name and surname that are comprised of more words, they need to choo

Most, if not all, EU countries have laws on personal names. In my country if a person has a name and surname that are comprised of more words, they need to choose which of those words will be used in legal documents. So in your example, depending on comedians choice, all data controllers would have the comedians name as "Venom Bison".