G20 SEMIOTIC
They're super weird -- not just because of the symbols, which are based on the UI designs that were created for the Nostromo in Alien -- but also for the keys themselves. G20 is I think the lowest profile for MX style switches. It's a uniform profile, like DSA, but not a flat profile; all the keys are angled. They're also rounded off at the sides, and give an impression not entirely dissimilar from a piece of nicorette gum.
Most people do not actually consider it practical for typing on, but I found it totally fine and better than DSA. (However, I am very weird.)
Pictured here on a MechWild Waka.