General Jark

General Jark (ジャーク将軍, Jāku Shōgun) is a character in the Kamen Rider Series Kamen Rider Black RX.

General Jark is a military leader of the empire and supreme commander of the invasion army. He carries a long staff that releases yellow electricity. Jark has the loyalty of most under him as he initially leading the attacks until Crisis arrived. He actually does care about his subordinates even to save Maribaron from being killed by Dasmader. Towards the end of the series, he was forcefully transformed by Crisis into a stronger warrior called Jark Midler (ジャークミドラ, Jāku Midora) to kill RX.

In the process, Jark Perfect form easily murdered the Sahara parents and defeated V3 and Riderman while X and Amazonrescued the Sahara children from his grasp. When he was in the middle of battle, the Sahara children tried to kill him but RX as RoboRider shielded the children and transformed into BioRider. He was inevitably killed by RX with the Revolcane after a long battle.

Regressed to his normal form and near death, he proclaimed Crisis was too powerful even for RX.