The very first Star Wars spoof was on the Season 3 premiere of the Donny & Marie show in September of 1977 (the film, which opened in May, was still the No. 1 movie in theaters then, and Star Wars mania was in full swing). It featured Donny and Marie as Luke and Leia, Kris Kirstofferson as Han Solo, and Redd Foxx as Obi-Wan Kenobi, and featured dancing Stormtroopers, cheesy jokes, and Chewie hugging Darth Vader:
Come to think of it...maybe its sophistication and useful knowledge is why no one else commented on this after being posted a full day ago...there's nobody to insult here.