Robert Harry Kuykendall, also known as Bobby Dall (born November 2, 1958), is an American musician best known as the bassist for the multi-platinum selling rock band Poison.The band has sold over 50 million albums worldwide and has sold 15 million records in the United States alone. The group has also charted ten singles to the Top 40 of the Billboard Hot 100, including six Top 10 singles and the Hot 100 number-one, "Every Rose Has Its Thorn".