Do you think that there's any limit on what pronouns people can demand to be called? Can my pronoun be "intergalactic emperor/intergalactic emperor's/intergalac

Do you think that there's any limit on what pronouns people can demand to be called? Can my pronoun be "intergalactic emperor/intergalactic emperor's/intergalactic emperor"? Can every person have their own unique set of pronouns? Can every person have more than one set of pronouns which they switch throughout the day depending on their fluid sense of gender?