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Prime universe
(Capcom's primary storyline)
Further notes

Proto Tyrant (T-001 Model) (プロトタイラント puroto-tairanto?) was an experimental subject which served as the prototype for the later Tyrants. Despite its primitive design in comparison to later B.O.W.s, it nonetheless demonstrated the "bare ferocity" that earned its series the name "Tyrant".[2][excerpt 1]


The T-001 was created by the Arklay Laboratory's Tyrant Project team as part of their research into creating intelligent human bio-weapons for military use. The prototype was created ahead of the T-002, which was to perfect upon the prototype.[3] Due to what was determined to be an overdose of t-Virus during the initial infection,[2][3] the test subject suffered from a number of unforeseen adverse effects, including a defective nervous system, reduced intelligence and the acute exfoliation of its epidermis. Although the resulting creature possessed monstrously powerful strength, the reduction in its intelligence lead to it being deemed a failure, and it was placed in storage at NEST awaiting disposal.[2] However, it was released when the Queen Leech attacked on 24 July. The T-001 went on to fight S.T.A.R.S. officers Dr. Albert Wesker and Rebecca Chambers, as well as ex-Marine Second Lieutenant Billy Coen. Although it provided a challenge, it was defeated after three separate encounters, and destroyed in the ensuing self-destruct sequence of the Umbrella Training Facility.



  1. Excerpt from biohazard 0 KAITAISHINSHO, page 080:
    "究極の生命体を目指して開発が進められ、 圧倒的な戦闘能力と命令を遂行する知性を兼ね備えた人間ベースB.O.W.の完成型として"洋館事件"以降は量産にも成功することとなるタイラント——その完成間近のプロトタイプであり、 投与されたt-ウイルスの作用が強すぎたためか、 思考態力の発達が見られず育成の中止が決定された。外皮の腐敗が著しく、 背面は脊椎の一部が露出するほど皮膚がはげ落ち始めているが、身体機能や耐久性の点では実用化したタイラントと比べても見劣りせず、 廃棄処分を受けながらも信じがたい生命力を発揮して活動を再開した。馬上槍を思わせる石腕の巨大な爪に加え、 左手にも形状変化の兆候が見られることから、 のちの量産型が生命危機に瀕した際にリミッターを解除して移行する暴走モード(スーパー化)に近い、 極めて不安定な状態であると推測される。むき出しの凶暴性は、 むしろ完成品よりも"暴君"の名にふさわしい。"
  1. CAPCOM Bio0
  2. 2.0 2.1 2.2 Hamamura (ed), KAITAISHINSHO, p.80.
  3. 3.0 3.1 CLUB96, "FILE 25: Proto Tyrant".