Jack (ジャック, Jakku?, Russian: Джек), sometimes capitalized as JACK, is the name of a series of robots that are upgraded in each main installment in the Tekken series of fighting games. There has been a playable Jack model in every main Tekken game except for Tekken 4. Prototype Jack is seen as separate to the main line. The first Jack model robot was developed in the former Soviet Union by Doctor Bosconovitch and was designed to be a ruthless killing machine. The Russian military learned of Kazuy
Jack (Tekken), RoboWiki
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