![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png){kind=small}
Hardcore Gaming 101 tracked down the origins of a whole bunch of video game artwork. Schwarzenegger and Stallone are an entire section, and Frazetta was a big influence as well.
From the same site: The European box art for The Guardian Legend is much better than the American box art, and the Japanese box art is a work of art.
