Roberto Nicolás Rexach Benítez (December 18, 1929 – April 4, 2012) also known as his stage name Bobby, was a Puerto Rican politician, and former Senator and Representative. Rexach Benítez served as the tenth President of the Senate of Puerto Rico from 1993 to 1996. He also served as a member of the Puerto Rico House of Representatives from 1973 to 1976, under the Popular Democratic Party (PPD) and as a member of the Senate (1985–1998) under the pro-statehood New Progressive Party (PNP).