We have no idea what, if anything, existed before the Big Bang, or even if the concept of "before" has any meaning in this context.
The Universe was created by the big bang. The World or Earth, was formed about 9 billion years later from stellar debris and materials created by the big bang.
Big Bang - Big Bang album - was created on 2009-08-19.
The Best of Big Bang was created in 2006.
The big bang created itself.
Big Bang Baby was created in 1996-03.
Big Bang Beat was created in 2007-05.
The Best of Big Bang
Implying that you believe in The Big Bang Theory then yes our "World" aka Earth was created from the products of The Big Bang.
Penny - The Big Bang Theory - was created in 2007.
Big Bang - British band - was created in 1988.
Big Bang Romance was created on 2005-09-07.
The Big Bang - song - was created on 2010-10-29.