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This is the picture: https://www.biorxiv.org/content/biorxiv/early/2021/02/03/202...

Edit: I just realized from the other pictures that they're frames from Doctor Who, making the resulting aliens somewhat fitting.

That is not probe, but a prosthetic replacement for their exobrain. The Ood are generally good in Doctor Who, it's humans who are horrible abductors for them. If that image is from "Pond Life" mini series as suggested by the title on the first two frames on Figure 2, that's the butler of the eponymous family.

I suggest you to just watch the relevant episodes as an exposure therapy:

https://en.wikipedia.org/wiki/Ood#Appearances

Another idea is to watch Doctor Who crew performing five hundred miles song, as there is a funny dancing Ood in that video:

https://www.youtube.com/watch?v=2c6qENWh2jQ

Or may be the video about how that design was made, as David Tenant describes that their heads are very nice to touch:

https://www.youtube.com/watch?v=-X79GXlpIfM

If I'm not mistaken the source material actually has a probe wielding alien of some kind, you may be seeing that