Luis Royo is the most prolific cover artist in Heavy Metal‘s history. His first appearance in the pages of Heavy Metal happened in the November 1981 issue, and his first cover was the October 1983 issue:
Here are 10 Luis Royo paintings that have been used as Heavy Metal covers—in their original state, lacking (alas) our snappy logo. You can find many of these at a great price — just search “Royo” in the Heavy Metal shop. For more information on Royo, visit his official site, luisroyo.com.