Did the Riddler Kill Penguin?

I won't let you hurt him.” Afterwards, Nygma revealed that he'd been there the whole time. ... Nygma does end up changing his plans, but he still meant to kill Penguin. He took Penguin to the docks and brought him to the water's edge with a gun aimed right at him.

How does the penguin die?

At that moment, six Emperor Penguins emerged from the shadows behind Penguin's body and solemnly dragged it back into the water. As a result, Penguin slowly sunk to his final resting place in a black cloud of his own drool.

Who kills Penguin in the comics?

Earth -22. In The Batman Who Laughs, the Penguin of Earth -22 is depicted as having been killed by the Joker during his penultimate act of terror against the Batman.