Aquaman #19
In "American Tidal, Part 5," Aquaman faces off against Anton Geist, the man responsible for transforming San Diego’s citizens into water-breathers—only to discover Geist used Aquaman’s own DNA to make it happen. Written by Will Pfeifer and illustrated by Patrick Gleason, with inks by Christian Alamy and colors by Nathan Eyring, this pivotal issue deepens the mystery of Aquaman’s connection to the experiment. The cover, by Alan Davis and Mark Farmer, captures the tension of the confrontation.
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Aquaman and Lorena confront Anton Geist, the man who changed the residents of San Diego into water-breathers. Aquaman is surprised to learn that Geist used Aquaman's own DNA to succeed in his experiments.
Plot details indexed by the Grand Comics Database (CC BY-SA).