#matter master

The Brave and the Bold 35 was published with a cover date of May 1961. Matter Master, Meteor Men, and the Mentachem Wand were introduced, created by Gardner Fox and Joe Kubert. ("Menace of the Matter Master", "Valley of Vanishing Men", The Brave and the Bold 35, DC Comic Event)

You just hate to see it. A marriage on the rocks, as Shayera leaves to try and find her sense of independence. She's lost herself in the process of being a wife, and she's having an identity crisis. But without his wife, Carter's gone into a deep depression. He's stopped caring about anything, and the Midway City museum has fallen into disrepair. Now we've got an FBI investigation, and the return of the Matter Master! (World's Finest Comics #274):

no charley don't reveal your secret ID to the first super villain you fight