You can register. Citizens enjoy the right to name, and have the right to decide, use and change their names in accordance with regulations, and prohibit others from interfering, misappropriating, and counterfeiting. The right to name, also known as the right to name, is the right of a natural person to decide which caste, name, and combination thereof to adopt. , the naming right of a natural person is exercised by the head of the household, relatives, caregivers, or neighbors after birth, but this does not affect the name after the person has the ability to name. Therefore, the character "莯" can be registered in the household registration, and citizens' exercise of the right to name should comply with the provisions of the Civil Code , that is, social morality should be respected and public interests must not be harmed. Article 110 of the "People's Republic of China" and the Civil Code: Natural persons enjoy the rights to life, body, health, name, portrait, reputation, honor, privacy, marital autonomy and other rights. Legal persons and unincorporated organizations enjoy the right to name, reputation and honor.