<p>WinterBoard theme of Marvin The Martian Theme by edgardlht. <br/> <br/>Marvin the Martian (or Marvin Martian) is a fictional character appearing in the Looney Tunes cartoons. Despite appearing in only five of the original shorts, Marvin has developed a cult following. Marvin's likeness appears in miniature on both the Spirit and Opportunity rovers on Mars.</p>