Simon.

Mark 3:18
Andrew, Philip, Bartholomew, Matthew, Thomas, James son of Alphaeus, Thaddaeus, Simon the Zealot,

Luke 6:15
Matthew and Thomas, James son of Alphaeus and Simon called the Zealot,

Simon Zelotes.

Acts 1:13
When they arrived, they went to the upper room where they were staying: Peter and John, James and Andrew, Philip and Thomas, Bartholomew and Matthew, James son of Alphaeus, Simon the Zealot, and Judas son of James.

and.

Matthew 26:14, 47
Then one of the Twelve, the one called Judas Iscariot, went to the chief priests . . .

Matthew 27:3
When Judas, who had betrayed Him, saw that Jesus was condemned, he was filled with remorse and returned the thirty pieces of silver to the chief priests and elders.

Mark 3:19
and Judas Iscariot, who later betrayed Him.

Mark 14:10, 43
Then Judas Iscariot, one of the Twelve, went to the chief priests to betray Jesus to them. . . .

Luke 6:16
Judas son of James and Judas Iscariot, who became a traitor.

Luke 22:3, 47
Then Satan entered Judas Iscariot, who was one of the Twelve. . . .

John 6:71
He was speaking about Judas, the son of Simon Iscariot. For although Judas was one of the Twelve, he was later to betray Jesus.

John 13:2, 26-30
The evening meal was underway, and the devil had already put into the heart of Judas, the son of Simon Iscariot, to betray Jesus. . . .

John 18:2-5
Now Judas, His betrayer, also knew the place, because Jesus had often met there with His disciples. . . .

Acts 1:16-20, 25
"Brothers, the Scripture had to be fulfilled which the Holy Spirit foretold through the mouth of David concerning Judas, who became a guide for those who arrested Jesus. . . .