Saton

Matthew 4:10

Then saith Jesus unto him, Get thee hence, Satan: for it is written, Thou shalt worship the Lord thy God, and him only shalt thou serve.

2 Corinthians 11:14

And no marvel; for Satan himself is transformed into an angel of light.

Luke 22:3

Then entered Satan into Judas surnamed Iscariot, being of the number of the twelve.