Detective Comics # 611 1990 NM-

Detective Comics #611 (published in February 1990) is the concluding second chapter of the "Snow and Ice" storyline during DC Comics' Copper Age. The issue is a standout entry from the legendary creative team of writer Alan Grant and artist Norm Breyfogle, whose late '80s and early '90s run heavily defined the dark, atmospheric tone of Gotham City.

The Plot

• The Penguin Returns: Picking up from the previous issue, the world believes the Penguin (Oswald Cobblepot) is dead. In reality, his death was faked using a deep hypnotic trance induced by a macabre, skeleton-themed villain named Mortimer Kadaver.
• An Uneasy Alliance: Kadaver breaks Penguin out of prison to form a criminal partnership. Because Kadaver holds the hypnotic trigger to put Penguin back into a coma at any moment, Penguin is forced to comply while they plot a massive heist. 
• Snow and Ice: The duo launches a crime spree targeted at "Snow" (a major cocaine drug trade between rival mobsters Rafael Santini and Scarface) and "Ice" (a high-profile diamond exhibit at the Ritz Hotel). 
• The Double-Cross & Defeat: Annoyed by Kadaver's control and his insistence on leaving theatrical clues for Batman, Penguin outsmarts his partner by stuffing his ears with toilet paper during a bathroom break. Unable to hear Kadaver's hypnotic commands, Penguin blindsides him and turns the tables. Ultimately, Batman decodes the clues, tracks them down, and defeats the criminals before they can escape the city.

Core Themes & Significance

• The Grant & Breyfogle Chemistry: This issue serves as a prime showcase for Breyfogle’s dynamic, fluid art style—particularly his ability to stretch shadows and render Batman as an imposing, creature-like silhouette.
• The Introduction of Kadaver: Mortimer Kadaver was one of several eccentric, dark characters created by Alan Grant to expand Batman's rogues' gallery with street-level psychological horror rather than traditional gimmicks.