John.

Acts 1:5
For John baptized with water, but in a few days you will be baptized with the Holy Spirit."

Acts 11:16
Then I remembered the word of the Lord, as He used to say, 'John baptized with water, but you will be baptized with the Holy Spirit.'

Acts 13:23-25
From the descendants of this man, God has brought to Israel the Savior Jesus, as He promised. . . .

Matthew 3:11, 12
I baptize you with water for repentance, but after me will come One more powerful than I, whose sandals I am not worthy to carry. He will baptize you with the Holy Spirit and with fire. . . .

Matthew 11:3-5
to ask Him, "Are You the One who was to come, or should we look for someone else?" . . .

Matthew 21:25-32
What was the source of John's baptism? Was it from heaven or from men?" They deliberated among themselves and said, "If we say, 'From heaven, ' He will ask, 'Why then did you not believe him?' . . .

Mark 1:1-12
This is the beginning of the gospel of Jesus Christ, the Son of God. . . .

Luke 1:76-79
And you, child, will be called a prophet of the Most High; for you will go on before the Lord to prepare His ways, . . .

Luke 3:16-18
John answered all of them: "I baptize you with water, but One more powerful than I will come, the straps of whose sandals I am not worthy to untie. He will baptize you with the Holy Spirit and with fire. . . .

John 1:15, 27, 29-34
John testified concerning Him. He cried out, saying, "This is He of whom I said, 'He who comes after me has surpassed me because He was before me.'" . . .

John 3:28-36
You yourselves can testify that I said, 'I am not the Christ, but am sent ahead of Him.' . . .

John 5:33-35
You have sent to John and he has testified to the truth. . . .