Above is the Dust Giants variant of the Centurion.

Sky Burners:
Sand Eaters
Siege Dancers
Blind Legion
Unknown Legion
Generic

Val Aru'un
Val Aru'un (Grimoire)
Valus Trau'ug

XBOX 360/PS3 Variants
Centurion (DG, SB, SD, BL, UL)

"They're not breaking. Why aren't they breaking?"

Centurions are tactically intelligent, highly skilled field
commanders. Their armor boasts a formidable array of combat electronics
and deployable munitions.


Source:http://db.destinytracker.com/grimoire/enemies/cabal/centurion

UPDATE 1/6/22 - Added Unknown Legion variant.

UPDATE 1/11/22 - Renamed unique variant to generic as well as adjusting some of the shading.

UPDATE 6/21/22 - Added Val Aru'un as he appears in his Grimoire Card

UPDATE 7/23/22 - Added Centurion variants based on their slightly adjusted appearance on older console generations

UPDATE 5/9/23 - Removed Unknown Legion from Old Gen list, changed suit colors for Unknown Legion Centurion