 The rest of the story. Producer E.C. Segar, S-E-G-A-R, was always tinkering with his productions, changing this, lengthening that, taking something else out altogether. Some said that was why his thimble theater was so successful. Segar was never quite satisfied. January 17, 1929, right in the middle of a successful run, Segar added a character to his thimble theater cast.