Exhibit 32.1



                                  CERTIFICATION

Nelson J. Marchioli
President and Chief Executive Officer of Denny's Corporation

and

Andrew F. Green
Senior Vice President and Chief Financial officer

Pursuant to 18 U.S.C. Section 1350,
As Adopted Pursuant to
Section 906 of the Sarbanes-Oxley Act of 2002

In connection with the Quarterly Report of Denny's Corporation (the "Company")
on Form 10-Q for the period ended June 30, 2004 as filed with the Securities
and Exchange Commission on the date hereof (the "Report"), I, Nelson J.
Marchioli, President and Chief Executive Officer of the Company, and I, Andrew
F. Green, Senior Vice President and Chief Financial Officer of the Company,
certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906
of the Sarbanes-Oxley Act of 2002, that:

     1) The Report fully complies with the requirements of Section 13(a) or
        15(d) of the Securities Exchange Act of 1934; and

     2) The information contained in the Report fairly presents, in all material
        respects, the financial condition and results of operations of the
        Company.


                                          /s/ NELSON J. MARCHIOLI
                                          -------------------------------------
                                          Nelson J. Marchioli
                                          President and Chief Executive Officer

August 16, 2004



                                          /s/ ANDREW F. GREEN
                                          -------------------------------------
                                          Andrew F. Green
                                          Senior Vice President and
                                          Chief Financial Officer

August 16, 2004


A signed original of this written statement required by Section 906, or other
document authenticating, acknowledging, or otherwise adopting the signature that
appears in typed form within the electronic version of this written statement
required by Section 906, has been provided to Denny's Corporation and will be
retained by Denny's Corporation and furnished to the Securities and Exchange
Commission or its staff upon request.