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The '''Thyrrus''' are a squid-like [[Xenos|alien]] species who see war as a performance, thus making tactical decisions based on spectacle, flash and aiming to inflict the heaviest casualties on both sides - rather than what is tactically sensible to non-Thyrrus. They have made unprovoked assaults in the [[Segmentum Pacificus]] around 2.306.784.[[M41]] against regiments [[regiment]]s of the [[Stemivari ]] [[Imperial Guard]], who referred to them by the nickname of '"squiddies'.^"{{Fn|1}}

Sighted possible classes/unit types are '''Thyrrus warriors''', '''soliloquns''', '''propmasters''', and '''luminous war-machines'''.^{{Fn|1}}

They have quadruple forearms each triple-jointed with simple fingers suggesting limited dexterity. Their lower tentacles , however , show massive strength and dexterity and may provide their means of acute manipulation. They have four eyes, suggesting 230 -degree periphery-peripheral vision. The forward pair see in high wavelengths such as infrared, whilst the rear pair indicate extreme photosensitivity. They lack a an endo- or exo-skeleton, and are instead supported by a cartilaginous central column. Nourishment is absorbed through a form of osmosis by altering the absorbency of their mouthparts with a fibrous '"sieve', " and can be absorbed from almost anything. Respiratory regulation appears to be by the same means, providing a type of built-in organic gasmask.^{{Fn|1}}

The Thyrrus can change colour and surface texture at will, often displaying gaudy patterns and clashing hues instead of purposeful camouflage.^{{Fn|1}}

The Thyrrus have no concept of victory or defeat, and everything of their lives, wars and day-to-day business is directed towards their vast performance. Though any logic, guiding purpose, or audience for this performance is unknown.^{{Fn|1}}

The Thyrrus are known to use weapons analogous to a plasma-generator, though notably enhanced with additional lights, colours and cords for display or possibly communication.^{{Fn|1}}

*^{{Endn|1}}: [[Xenology]], {{Cite This}}