Revelation 1:4

1:4 From John, to the seven churches that are in the province of Asia: Grace and peace to you from “he who is,” and who was, and who is still to come, and from the seven spirits who are before his throne,

Revelation 1:8

1:8 “I am the Alpha and the Omega,” says the Lord God – the one who is, and who was, and who is still to come – the All-Powerful!

Revelation 16:5

16:5 Now I heard the angel of the waters saying:

“You are just – the one who is and who was,

the Holy One – because you have passed these judgments,