What is Slick Castleman's real name?
Slick Castleman's real name is Clydell Castleman.
Clydell Castleman (September 8, 1913 – March 2, 1998) was an American pitcher in Major League Baseball who played from 1934 through 1939 for the New York Giants, including the National League Champion team that lost to the New York Yankees in six games in the 1936 World Series.
Source: Wikipedia: Slick Castleman
