Mormons used to teach that you could be a God when you die...

God himself was once as we are now, and is an exalted man... I am going to tell you how God came to be God. We have imagined and supposed that God was God from all eternity. I will refute that idea... He was once a man like us; yea, that God himself, the Father of us all, dwelt on an earth.
Joseph Smith - Mormonism founder
Ensign, April 1971, p.13-14


Remember that God, our heavenly Father, was perhaps once a child, and mortal like we ourselves, and rose step by step in the scale of progress, in the school of advancement; has moved forward and overcome, until He has arrived at the point where He now is.
Orson Hyde - Mormon apostle
Journal of Discourses 1:123


He is our Father-the Father of our spirits, and was once a man in mortal flesh as we are, and is now an exalted Being. How many Gods there are, I do not know. But there never was a time when there were not Gods and worlds, and when men were not passing through the same ordeals that we are now passing through.
Brigham Young - Mormon prophet
Journal of Discourses 7:333


God is a natural man... Where did he get his knowledge from? From his Father, just as we get knowledge from our earthly parents.
Heber C. Kimball - First Presidency Counselor
Journal of Discourses 8:211


But if God the Father was not always God, but came to his present exalted position by degrees of progress as indicated in the teachings of the prophet, how has there been a God from all eternity? The answer is that there has been and there now exists an endless line of Gods, stretching back into the eternities.
B. H. Roberts - Mormon Seventy and LDS church historian
New Witness for God 1:476 [Google - 7MB PDF]


Mormon prophets have continuously taught the sublime truth that God the Eternal Father was once a mortal man who passed through a school of earth life similar to that through which we are now passing. He became God-an exalted being. (p.104)

Yet, if we accept the great law of eternal progression, we must accept the fact that there was a time when Deity was much less powerful than He is today. (p.114)

Thus He grew in experience and continued to grow until He attained the status of Godhood. (p.115)
Milton R. Hunter - Mormon Seventy
The Gospel Throughout The Ages, p.104,114-15


God is an exalted Man... The Prophet taught that our Father had a Father and so on.
Joseph Fielding Smith - Mormon prophet
Doctrines of Salvation 1:10,12