Joe was an obsessive clean freak who had a deluxe shower in his office so he could sanitize himself after dealing with his own employees. He took several showers a day and suffered from psoriasis due to it.
Allegedly, this is on the high end animation-wise for a Hanna-Barbera pilot presentation (http://www.newsfromme.com/2016/10/29/todays-video-link-2371/). I'm surprised HB went to this much effort when Joe Barbera could feasibly point at Flintstones and Scooby-Doo, say "here's our ripoff of today's hot sitcoms, come on, you'll make gobs of money", and then go into a run cycle to chase off Lou Scheimer.
They were saving that reveal for the 1st season finale. Duffy invented a talking, transforming RV to compensate for the fact that his dick doesn't work. Now he and his group of war orphans are on the run from the DoD, who believe he wants to sell the technology to the Reds.