In NBA basketball, the term Twin Towers refers to the duo of David Robinson and Tim Duncan. The 7'1" Robinson and the 6'11" Duncan played on the frontcourt of the San Antonio Spurs from 1997 through 2003. Both players were selected first overall by the Spurs in the NBA draft; Robinson was selected in 1987 and Duncan was selected in 1997. Robinson and Duncan spent their entire careers with the Spurs, and they played together from 1997 to 2003. The Twin Towers are known for their scoring, for their stifling defense, and for helping lead the Spurs to NBA championships in 1999 and 2003.

David Maurice Robinson is an American former professional basketball player who played for the San Antonio Spurs in the National Basketball Association (NBA) from 1989 to 2003, and minority owner of the Spurs. Nicknamed "the Admiral" for his service with the U.S. Navy, Robinson was a 10-time NBA All-Star, the 1995 NBA MVP, a two-time NBA champion, a two-time Olympic Gold Medal winner, a two-time Naismith Memorial Basketball Hall of Fame inductee, and a two-time U.S. Olympic Hall of Fame inductee. He was honored as one of the league's all-time players by being named to the NBA 50th Anniversary (1996) and 75th Anniversary Teams (2021). He is widely considered one of the greatest centers in both college basketball and NBA history.