1. Lucifer is a figure of religious legend.
2. "Lucifer" was originally a term of Christianity and Judaism. It appeared in Isaiah 14:12, meaning "bright star", and was used to allude to Nebuchadnezzar, the king of Babylon in Cuba.
3. After the spread of later generations, he became a fallen angel in Christianity, although it is impossible to confirm when he began to personify Lucifer.
4. "Lucifer" is the name of a fallen angel created by misinformation. Although his image of a fallen angel has been identified as a misinformation, some people still prefer to regard Lucifer as a character rather than just a simple word.
5. Lucifer is Satan before falling.
6. There is also a rare saying that Lucifer's brother is Michael.