Jesus.

Mark 16:14
Later as they were eating, Jesus appeared to the eleven and rebuked them for their unbelief and hardness of heart, because they did not believe those who had seen Him after He had risen.

John 20:19-23
It was the first day of the week, and that very evening, while the disciples were together with the doors locked for fear of the Jews, Jesus came and stood among them. "Peace be with you!" He said to them. . . .

1 Corinthians 15:5
and that He appeared to Cephas and then to the Twelve.

Peace.

Luke 10:5
Whatever house you enter, begin by saying, 'Peace to this house.'

Isaiah 57:18
I have seen his ways, but I will heal him; I will guide him and restore comfort to him and his mourners,

Matthew 10:13
If the home is worthy, let your peace rest on it; if it is not, let your peace return to you.

John 14:27
Peace I leave with you; My peace I give to you. I do not give to you as the world gives. Do not let your hearts be troubled; do not be afraid.

John 16:33
I have told you these things so that in Me you may have peace. In the world you will have tribulation. But take courage; I have overcome the world!"

John 20:26
Eight days later, His disciples were once again inside with the doors locked, and Thomas was with them. Jesus came and stood among them and said, "Peace be with you."

2 Thessalonians 3:16
Now may the Lord of peace Himself give you peace at all times and in every way. The Lord be with all of you.

Revelation 1:4
John, To the seven churches in the province of Asia: Grace and peace to you from Him who is and was and is to come, and from the sevenfold Spirit before His throne,