The Hill Partner term is a reference to the characters of Tim McGraw and DALE Earnhardt Jr., two of the most popular NASCAR drivers in history. McGraw, whose full name is Timothy Richard McGraw, is a six-time Grammy Award-winning country music singer and actor. DALE Earnhardt Jr., also known as DALE Jr., is a four-time NASCAR Cup Series champion and the son of legendary NASCAR driver DALE Earnhardt Sr. Together, they have been partners in the sport of NASCAR for many years, and their partnership has been an inspiration to many fans.