He it is
John 13:30
having received, therefore, the morsel, that one immediately went forth, and it was night.
Matthew 26:23
And he answering said, 'He who did dip with me the hand in the dish, he will deliver me up;
Mark 14:19
And they began to be sorrowful, and to say to him, one by one, 'Is it I?' and another, 'Is it I?'
Mark 14:20
And he answering said to them, 'One of the twelve who is dipping with me in the dish;
Luke 22:21
'But, lo, the hand of him delivering me up [is] with me on the table,
Judas Iscariot
John 6:70
Jesus answered them, 'Did not I choose you -- the twelve? and of you -- one is a devil.
John 6:71
And he spake of Judas, Simon's [son], Iscariot, for he was about to deliver him up, being one of the twelve.
John 12:4-6
4
Therefore saith one of his disciples -- Judas Iscariot, of Simon, who is about to deliver him up --
5
'Wherefore was not this ointment sold for three hundred denaries, and given to the poor?'
6
and he said this, not because he was caring for the poor, but because he was a thief, and had the bag, and what things were put in he was carrying.