where was the first denny's located
1 Dennyâs was founded in 1953. 2  Its founders: Richard Jezak, Harold Butler. 3  Dennyâs was born in Lakewood, California. 4  Dennyâs was originally called Dannyâs Donuts. 5  Eventually we changed our name to not be confused with Doughnut Danâs. 6  Dennyâs HQ is currently in Spartanburg, SC. 7  But was once located in Irvine, CA.