I found a pretty good [url=http://4.bp.blogspot.com/-r4vkwndV2Mk/Vlo3JKibknI/AAAAAAAAG-M/B-xDUAamk2c/s1600/joel%2Bharlow%2Binnsmouth%2Bdeep%2Bone%2Bhybrid%2Bmakeup.jpg]visual representation[/url] of what Leonard is supposed to look like. Though it doesn't convey his general aura of "fucked up if true." Sal would probably feel this the worst, being a mostly-normal human. He triggers an uncanny-valley sort of response in people that still possess that reflex.