<page_title> List of Irish Singles Chart Christmas number ones </page_title> <section_title> List </section_title> <table> <cell> 2003 <col_header> Year </col_header> </cell> <cell> Will Young <col_header> Artist </col_header> </cell> <cell> "Leave Right Now" <col_header> Song </col_header> </cell> <cell> 2005 <col_header> Year </col_header> </cell> <cell> Mario Rosenstock <col_header> Artist </col_header> </cell> <cell> "Gift Grub/Leave Right Now" <col_header> Song </col_header> </cell> </table>
In 2005, Rosenstock achieved the Christmas number one single in the Irish music Charts, with a parody of Will Young's song Leave Right Now, which itself was a Christmas number-one in 2003.