H. P. Lovecraft admired the Machen story, and used Aklo in his Cthulhu Mythos stories "The Dunwich Horror" and "The Haunter of the Dark." The authors who have used Aklo have played into the fiction that the language has magical powers, and so have not included much detail to prevent "some careless reader from incant[ing] a spell capable of calling forth evil."
Alan Moore later used Aklo in his Lovecraft tribute short story and 2003 comic The Courtyard, in his 2010 comic Neonomicon and again in Providence. In his adaptation, Aklo is not just an alien language, but a key that opens doors inside the human mind which is "connected to Moore's general view on actual magic and the role of words in modifying a human's perception of reality."
The Pathfinder RPG, published by Paizo, uses Aklo as the language of several subterranean, otherworldly, or otherwise Lovecraftian species in the game's universe, such as aboleths and gibbering mouthers.[non-primary source needed]
- The Dictionary of Made-Up Languages By Stephen D. Rogers
- The List: Five fictional languages James Lovegrove Financial Times April 15, 2011
- Encyclopedia of Fictional and Fantastic Languages By Stephen Cain. Greenwood
- Lovecraft Lexicon Anthony Pearsall. New Falcon Publications
- The Shadow Over Northampton: The Transmogrification Of The Lovecraft Mythos By Alan Moore Daniel L. Werneck
- "Linguistics". Paizo. Retrieved 28 August 2012.
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