Cross reference
John 7:50
50 Nicodemus--he who had come to Jesus before, being himself one of them--said to them,
John 19:39
39 And Nicodemus came (he who had first come to Jesus by night) with a roll of myrrh and aloes mixed, about a hundred pounds.
John 3:1-2
1 Now there was among the Pharisees a man named Nicodemus, who was one of the rulers of the Jews.
2 He came to Jesus by night and said to him, Rabbi, we are certain that you have come from God as a teacher, because no man would be able to do these signs which you do if God was not with him.