|Unit type||Custom Seventh Generation Mass Production Knightmare|
|Dimensions||Overall Height: 4.25 meters|
|Weight||Combat Weight: 8.06 metric tons|
|Powerplant||Type 13 Yggdrasil superconductor transfer system|
|Equipment and Design Features|
The PMI-20 Nemean is a Custom Seventh Generation Mass Production Knightmare frame in Code Geass R3: SOD.
The Nemean is based on the Guren Mk.1, Gloucester, and Sutherland units. The entire unit is colored grey with the lower body being of the Gloucester, the upper body a combination of the Sutherland and Guren frames. The arms are both of the Guren Mk. 1 having the arm mounted cannons while the shoulder armor is of the Sutherland. The chest is curved downwards instead of being box shaped. The cockpit is also of the Guren Mk. 1.
This custom mass production unit was created by unknown corporations in the Indian Ocean area for Peace Mark. The unit can fight on par with Sutherlands, Gloucesters, and Gekka knightmares. However, when up against Akatsuki and Vincent knightmares, they are at a disadvantage for lacking most of the defense and offense capabilities given to the newer generations.
These machines were created at the beginning of 2030 a.t.b. and have been used in the fight against the U.F.N. by Peace Mark. Despite their lack of advanced weaponry, their vast numbers and continuously updated systems along with assistance from A.I. cores allows them to continuously be a problem for the U.F.N. and the Black Knights. Somehow three of these units had managed to attack Tokyo and were all destroyed by custom units in Ikaruga Stadium.