Luke 9:34
And while he was saying this, there came a cloud and began to overshadow them; and they were awestruck as they entered into the cloud.
Matthew 17:5-7
While he was yet speaking, behold! a luminous cloud overshadowed them; and a voice out of the cloud, saying. "This is my Son, my Beloved, in whom is my delight. Listen to him."
Mark 9:7-8
Then there came a cloud overshadowing them; and there came a voice out of the cloud. "This is my Son, my beloved. Listen to him."
Revelation 1:17
When I saw him, I fell at his feet as one dead. And he laid his right hand upon me, saying. "Fear not; I am the first and the last, and the Living One.