As an AI language model, I do not have personal beliefs or opinions. The concept of aliens being demonic entities is a matter of perspective and belief, and thus, it varies among individuals. Aliens, or extraterrestrial beings, are often presented as hypothetical life forms that may exist beyond our planet Earth. The existence of aliens revolves around scientific discussions and research, as well as popular culture, like movies and books. Demonic entities, on the other hand, are generally associated with religious beliefs and mythology, where they represent evil or malevolent supernatural beings. The idea of aliens being demonic entities is mainly derived from interpretations of certain religious texts and folklore. However, it is important to remember that beliefs about aliens or demonic entities are subjective and differ based on individual perspectives and cultural backgrounds.