It doesn't have to reference Spaghetti Westerns (or High Plains Drifter), they can reference the original lone frontier hero archetype in the vein of ShaneSome people are suggesting a film in the style of Spaghetti Westerns, and 60's Samurai movies. That would be cool, but Obi-Wan might be too pure to be a protagonist in one of those movies. Kinda makes me wish they did the Boba Fett movie instead.