This article says that the Triangle Film Corporation announded that "the two Chaplins, Charley and Syd, will shortly be presented to the public in comedies of an entirely new vein, under a new Triangle brand." Didn't happen.
Charlie had been with Essanay for about a year. Syd had been with Keystone, a Triangle affiliate, for some time.
Samuel Rothafel was a famous New York showman, nicknamed Roxy. He later hosted a radio show, Roxy and his Gang. His last name was often printed as "Rothapfel."