He it is
John 13:30
He then having received the sop went immediately out: and it was night.
Matthew 26:23
And he answered and said, He that dippeth his hand with me in the dish, the same shall betray me.
Mark 14:19
And they began to be sorrowful, and to say unto him one by one, Is it I? and another said, Is it I?
Mark 14:20
And he answered and said unto them, It is one of the twelve, that dippeth with me in the dish.
Luke 22:21
But, behold, the hand of him that betrayeth me is with me on the table.
Judas Iscariot
John 6:70
Jesus answered them, Have not I chosen you twelve, and one of you is a devil?
John 6:71
He spake of Judas Iscariot the son of Simon: for he it was that should betray him, being one of the twelve.
John 12:4-6
4
Then saith one of his disciples, Judas Iscariot, Simon's son, which should betray him,
5
Why was not this ointment sold for three hundred pence, and given to the poor?
6
This he said, not that he cared for the poor; but because he was a thief, and had the bag, and bare what was put therein.