Walter Mercado attends the opening of "Mucho, Mucho Amor: 50 Years of Walter Mercado" at HistoryMiami Museum in Miami, Florida, on August 1. (Alexander Tamargo/Getty Images)SAN JUAN, Puerto Rico - Walter Mercado, a flamboyant astrologer and television personality whose daily TV appearances entertained many across Latin America and the U.S. for more than a decade, has died. He had been living in the suburb of Cupey and had spent several days in the hospital before his death. "Its not easy at the age of 88 to face 500 people trying to take pictures. Mercado was hospitalized in December 2011 in Puerto Rico following a cold that turned into pneumonia.