Keir Francis Nuttall (born 1975) is a Brisbane-based guitarist-singer-songwriter. He is a founding mainstay member of the rock trio, Transport, which formed in 2001. He married Australian singer-songwriter and actor, Kate Miller-Heidke, in 2007. Since 2004 he has performed and recorded in her backing band. Nuttall's songs have been recorded by Miller-Heidke, including her singles, "Space They Cannot Touch" (March 2008), "Words" and other tracks on her debut album, Little Eve (both 2007). As Franky Walnut, Nuttall performs comic songs such as, "Where Have I Been All Your Life?" and "Three Word Review", both of which he recorded. His first solo album, The Franky Walnut Reflective Drink Coaster (2013), was nominated for the ARIA Award for Best Comedy Release in 2014.