Based on Lucas' first draft script for what would become Star Wars. Han Solo is a lizard-man. Luke Skywalker is the wise-old Jedi Bendu master who teaches Annikin Starkiller.
http://omg.yahoo.com/news/dark-horse-comics-brings-star-wars-life-070118774.html (http://omg.yahoo.com/news/dark-horse-comics-brings-star-wars-life-070118774.html)
http://starwarz.com/starkiller/the-star-wars-rough-draft/ (http://starwars.wikia.com/wiki/The_Star_Wars:_Rough_Draft)
Very interesting.