Washington, he never gave up, nor shirked his duty. Jefferson would likely be a tie, but we had to pick one.
Washington. A lion among men, and never will a more honorable man hold that office.
I think of Washington as steadfast, true, humble, yet fearless and undoubtedly a true gentleman. Its between Washington and Adams for me. How they expressed themselves personality wise may have been different, yet in each I see similar character traits.