Not a hoax! Not an imaginary list!

Dick Sprang and Charles Paris

John Byrne

Carmine Infantino and Joe Giella

Mike Allred

James Fry and Rodney Ramos

Win Mortimer

Brian Bolland

Carmine Infantino and Murphy Anderson

Fred Ray

Dick Giordano

Infantino and Anderson

Jim Aparo

Marshall Rogers
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Cover images and credits (mostly) from the slap-happy Grand Comics Database.
April 1, 2016
ummmm Batman 251???? doesn’t get more joker than that
April 1, 2016
You’re not wrong except that would have been too easy. I’ve written about that cover so much — earlier this week, even — it was time to turn the focus elsewhere.