Brennen was born on January 2, 1978 and passed away on Sunday, August 21, 2016. He graduated from Ada High School in 1996. He had given his life to Jesus Christ and was a Christian. He was also a life long Sooner Fan.Brennen graduated from the University of Oklahoma in 2004. After college, Brennen enlisted in the United States Navy. He served in the Navy from 2004-2008.Brennen became a proud father to Kay'a Atkeson in 2008.He married his wife and soulmate K. Kandace Atkeson in 2016 and remained married until his passing.