Russel Kirsch, Cave Story added.
@pipster: I'll wait and see what others' experience with sprite comics are. I've had no experience with them so can't say how influential they've been. They've always turned me off with mixed resolutions and artwork that is generally terrible.
about minecraft- yes, it's primarily a voxel-based game, but makes extensive use of pixel art textures, and is incomparably influential in broader society compared to any recent game sporting pixel art. If enough people don't think it's significant enough, I'll remove it from the list. But remember, you couldn't buy a pixel-art pickaxe from a toy store before Minecraft, nor did you see kids dressed up as pixelated monsters for Halloween.
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I was reading the comments on Helm's recently-submitted piece at PJ and learned he works for Nitrome. Which got me thinking- should Nitrome make the list? They've produced 10 billion games with pixel art since 2005 after all. Probably had a hand in popularizing that bright, poppy style of pixel art that you also see in eBoy.
Which reminds me- I should put eBoy on the list.
edit: How does one turn an image into a link on this forum? I'd like the thumbnails to link to larger images.