I love this concept and the potential it exudes for adoption into other articles. I certainly prefer a benevolent shapeshifting alien to malicious ones given how oversaturated the latter are. The description was a highlight as well, how each paragraph ends with a strong point while simultaneously leading into the next.
That said I do have a few gripes with this I think prevents it from being the best state it could be. For a character piece, it is extremely short in its characterization and dialogue. The latter certianly does its job, but in the process skips much wanted characterization in the process. Speaking of characterization, having no profile on Randal prior to his death leaves no good anchor to his character to adapt from. If I were to pick a Randal, there is no threshold to how much I can change him to the point that it may as well be a completely different character, reducing the name to just a name.
Given that Chuck may as well be the antagonistic counterpart to Randal, Chuck's description and appearance throughout the article betrays its potential for adoption. Even though Randal is a bit plain, he has few albeit present characteristics to write on top of, while Chuck seems like a random alien grunt. Minimally, you could expand a bit more on Hopkin aliens' presence and abilities that attract 026 to consider them apex predators. Otherwise it's a bit too opened up in the air to pick him, what stops a writer from opting with a different, more appealing alien altogether?
I wish you left a footnote describing the Aqua trunci a bit.
Overall I adore this concept and there's so much you can make out of an omnipresent character in CE, but a strong foundation must be what people write off of, in which case this is simply too plain to grant that expectation justice.