Kaldur'ahm, or Kaldur for short, is the superhero codenamed Aqualad and Aquaman in media published by DC Entertainment. The character was created by Brandon Vietti, Greg Weisman and Phil Bourassa for the television series Young Justice, and voiced by Khary Payton. His name is a reference to the character Cal Durham, formerly a henchman of the supervillain Black Manta who was sent to infiltrate Atlantis, but defected to the Atlanteans. While originally developed for television, DC quickly adapted the character to its mainstream comic books, with Geoff Johns and Ivan Reis' re-interpreting the character. For television, creators were able to tell a story where Aqualad had known and worked with Aquaman for many years, while the comic book version had to be introduced to Aquaman and readers at the same time, meaning aspects of his backstory had to be changed.

Aquaman is a superhero appearing in American comic books published by DC Comics. Created by Paul Norris and Mort Weisinger, the character debuted in More Fun Comics #73. Initially a backup feature in DC's anthology titles, Aquaman later starred in several volumes of a solo comic book series. During the late 1950s and 1960s superhero-revival period known as the Silver Age, he was a founding member of the Justice League. In the 1990s Modern Age, writers interpreted Aquaman's character more seriously, with storylines depicting the weight of his role as king of Atlantis.