Mark 14:10
After this, Judas Iscariot, one of the Twelve, went to the Chief Priests, to betray Jesus to them.
John 13:2
The Devil had already put the thought of betraying Jesus into the mind of Judas Iscariot, the son of Simon;
Matthew 26:14-16
It was then that one of the Twelve, named Judas Iscariot, made his way to the Chief Priests,
Luke 22:3-6
Now Satan took possession of Judas, who was known as Iscariot, and who belonged to the Twelve;
Matthew 10:4
Simon the Zealot, and Judas Iscariot--the Apostle who betrayed him.
John 13:30
After taking the piece of bread, Judas went out immediately; and it was night.
Mark 3:19
And Judas Iscariot, the man that betrayed him.
John 6:70-71
"Did not I myself choose you to be the Twelve?" replied Jesus; "and yet, even of you, one is playing the 'Devil's' part."