The dynamic between Sylvester and his son is similar to that of fellow cartoon characters Augie Doggy and Doggy Daddy.
Background designs were becoming less detailed in some respects, as mid century artwork became more streamlined and modern.
The sign in front of the dilapidated house reads Tralfaz Property. That name would be given to the Jetson's dog in the first series episodes (1963) before he became known as Astro.
The old sign on the door indicates the mansion was once the HQ of the local Explorer's Club. This would explain the presence of the variety of weapons Sylvester uses.