Skywalker obviously. Even though I hold Katarn as a slightly better protagonist, Luke is the superior Jedi. His Force Powers are of a higher quality in that, he's had at least defeated more formidable foes than Katarn did(Darth Vader, legends Lumiya, Mara Jade etc...) Regarding physical attributes, Luke matched Vader in raw strength weaving curtains out his lightsaber, fighting faster than thought, generating afterimages, deflecting blaster fire from 128 shooters at once, perceiving the sublight-speed motion of ships in slow-motion and so on reflecting greater strength and speed than Kyle by at least a noticeable margin. Pitting both to go out against each other is just pretty much making Obi-wan fighting Yoda. Actually, Obi-Wan vs Kyle would be a pretty close fight.