A lot of them look pretty bad (especially that Exceggutor, dear lord) but what I find fascinating is that Green is a Japanese-only cartridge, so when you take that into account and you think about what Pokemon is supposed to be----monsters that are able to be tamed and used in battle----the ugly sprites make sense. They're very reminiscent of monsters from Japanese folklore and legends, which are not particularly beautiful or anatomically correct. I enjoy the redone/later gen sprites, too, but I'm fascinated by what must have been going through Japanese HQ's mind when they developed these. It's pretty cool to see the similarities between legends in Japanese culture and the original Pokemon sprites.