A bunch of Gary Winnick’s concept art from his Lucasfilm Games days is up for sale over at Heritage Auctions. I don’t know how this came to pass or how that site works, but you’re still going to want to browse the lot. Probably the most intriguing item is this early set of character designs for The Secret of Monkey Island. Who knew Gary did concept art for that game?
I couldn’t even tell you what characters those are supposed to represent. The leftmost one is presumably an early take on Guybrush, and the guy on the right is a credible match for that Governor Phatt-esque character who was found in the resource files but didn’t make it into the final game:
Anyway, you’ll want to check all of it out, and to pass judgment on the mislabeling of Maniac Mansion pieces as belonging to Day of the Tentacle. Such humiliations are the sort any business runs the risk of when they’re too cheap to spring for The Mojo Audit.
Source: Heritage Auctions
Perhaps the original design doc for Mutiny on Monkey Island gives an indication.
Yep, that’s from left to right : captain Smear West, the lookout on Mêlée and Governor L. Fat.