Who is the boy in the manger?

Who is the boy in the manger? A good man. Preacher. A prophet. God. King of Israel. A Healer. Pastor. A Jew. A liar. A thief. Bbeelzebub. A bride groom. Jesus. He is called many things. But what is true? Who is this man of fame? Why is his life, which happened over 2000 years