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If your example is part of narration in a story, you have it written exactly right. There's no need for the acronym. "aka" the acronym originally came from law enforcement when describing someone...
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#4: Attribution notice removed
Source: https://writers.stackexchange.com/a/16709 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/
#3: Attribution notice added
Source: https://writers.stackexchange.com/a/16709 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/
#2: Initial revision
If your example is part of narration in a story, you have it written exactly right. There's no need for the acronym. "aka" the acronym originally came from law enforcement when describing someone's alias. It happens to be useful enough that it's migrated out of jargon into non-LEO usage, but you wouldn't use that acronym in running prose any more than you would _fka (formerly known as), dba (doing business as), GSW (gunshot wound),_ or _c/o (care of)_. Jargon acronyms are necessary within industries because the same phrases are used repeatedly and can take up a lot of space. You _could_ use any of those in dialogue if your speaker is part of an industry which uses that terminology, as long as the reader understands the meaning of the acronym.