Armor: Diablo of Monday

Gadved had been a good friend of Van and Helena, as both Helena and Gadved worked researching the Original Seven armors. On the tragic wedding day when Van and Helena was critically injured by the Claw Man, a dying Helena asked Gadved to permantly make Van the armor Dann's pilot, thereby making him a member of the Original Seven. In the series, Van discovers to his enormous shock that Gadved has become one of the Claw Man's followers. He is a veteran armor pilot and the last surviving member of the former generation of Original Seven pilots.

He summons his armor by snapping his finger.

Source: Wikipedia