I like the cover for Batman 190 (March 1967), but the Penguin story inside, by Fox, Moldoff and Giella, is not so hot.
The Penguin decides to go futuristic for his new crime spree, even to the degree of forcing his gang to eat food pellets instead of real food.
The Penguin does have some impressive gear for Batman and Robin to deal with: a robot duplicate of himself, mentally controlled trick umbrellas, and a gravity beam. Makes for some good scenes, although it all seems a bit out of place with this character.
Alfred shows that he has totally recovered from being dead, and is the one who manages to take the Penguin down, while Batman and Robin are dealing with the robot double.