In this column: nicknames, stage names, the "Littles", Little Milton, Little Walter, Lil' Son Jackson, Little Brother Montgomery, Little Smokey Smothers, Little Hat Jones, Little Hatch, John Littlejohn, Aron Burton, Chris Strachwitz In the third episode I tell stories about “The Littles”. James "Little Milton" Campbell Jr. At the age of 12 he was already …