Have you not known? Have you not heard?
The everlasting God, the LORD,
The Creator of the ends of the earth,
Neither faints nor is weary.
His understanding is unsearchable.
He gives power to the weak,
And to those who have no might
He increases strength.
Even the youths shall faint and be weary,
And the young men shall utterly fall,
But those who wait on the LORD Shall renew their strength;
They shall mount up with wings like eagles,
They shall run and not be weary,
They shall walk and not faint.
Isaiah 40:28-31 NKJV

Creator, creator of what?

Ecclesiastes 12:1 Remember now your Creator in the days of your youth, Before the difficult days come, And the years draw near when you say, “I have no pleasure in them”:

Ecclesiastes 12:6 Remember your Creator before the silver cord is loosed, Or the golden bowl is broken, Or the pitcher shattered at the fountain, Or the wheel broken at the well.

Isaiah 40:28 Have you not known? Have you not heard? The everlasting God, the LORD, The Creator of the ends of the earth, Neither faints nor is weary. His understanding is unsearchable.

Isaiah 43:15 I am the LORD, your Holy One, The Creator of Israel, your King.”

Romans 1:25 who exchanged the truth of God for the lie, and worshiped and served the creature rather than the Creator, who is blessed forever. Amen.

1 Peter 4:19 Therefore let those who suffer according to the will of God commit their souls to Him in doing good, as to a faithful Creator.

Creator, who is the creator?

Genesis 1:1 NKJV In the beginning God created the heavens and the earth.

In the beginning was the Word, and the Word was with God, and the Word was God.
He was in the beginning with God.
All things were made through Him, and without Him nothing was made that was made.
John 1:1-3 NKJV