Dev-Em

The Knave from Krypton!

I powerful wild Kryptonian youth who sends Superboy into the Phantom Zone in order to destroy his reputation. Dev-Em explains himself to Superboy:

Dev-Em speaks:

"I'm Dev-Em!... Remember?!!"'

Superboy replies:

"Dev-Em!! My super memory recalls you now! You're a wild Kryptonian youth I knew many years ago when I was a baby on Krypton! You haven't aged!"

Sneeringly, the rascally super-lad reveals how he and his parents survived the destruction of Krypton and came to Earth in a state of suspended animation...Then..!

Dev-Em sends Superboy into the Phantom Zone and "Dev-Em slips on the plastic mask he'd prepared earlier...

"I know your're here, Superboy, even of I can't see you! My face looks exactly like yours now, doesn't it?

Superboy ultimately escapes the Phantom Zoned defeats Dev-Em and restores his reputation.

Dev-Em flees to the 30th century.

Dev-Em has appeared in the following Superboy tales

• (Adv No. 287, Sep 1961: "War of the Superboys!")
• (Adv No. 288, Oct 1961: "The Knave from Krypton!")
• (Adv No. 320, May 1964: "Part I: Revenge of the Knave from Krypton!" and "Part II: The Treachery of Molock the Merciless!")
• (SB No. 128, Apr 1966: "The Twilight World of No Return!" and "The Team-Up of the Terrible Two!")
• (SB No. 138, Jun 1967: "Duel of the Superboys!")