The same came to him by night, and said to him, "Rabbi, we know that you are a teacher come from God, for no one can do these signs that you do, unless God is with him."
"We" could be a way of saying himself (cf. John 3:11). Alternatively Nicodemus could have been representing others on the Sanhedrin beside himself such as Joseph of Arimathea (cf. John 19:38). Note Nicodemus’ courtesy and lack of hostility. These qualities mark him as a non-typical Pharisee.