アイアン＝テイガー

Hobbies: Bottleships
Values: Kokonoe (his creator)
Likes: Mystery novels
Dislikes: Salt water
Blood type: Natural oil

Iron Tager is a Sector Seven soldier and loyal subordinate to Kokonoe, and one of the playable characters ever since the first game. Originally the leader of a Sector Seven assault team sent to retrieve Nirvana in the 4th Hierarchical City of Naobi, the mission was intercepted by Azrael and the man who would come to be known as Tager suffered a mortal wound during the mission. After being taken back to Sector Seven's headquarters, Tager was in critical condition, with suspicions being raised about him not surviving his injuries. He was later taken to Kokonoe's lab where she ran numerous tests on him and found that he was compatible with Demon Cells. She operated on him later on, turning Tager into what he is known as today.

Tager is a serious, mature cyborg. Well known as a fearsome mechanical juggernaut to the enemies of Sector Seven, he is feared by many, having earned him the alias "Red Devil" whereas in truth, he is very calm and calculated, only engaging in violence when necessary. He places great trust and faith in Kokonoe, and will follow orders without complaint. However, there have been some occasions where he follows his own intuition and judgement to choose what to do in a situation, especially true in the case of orders he believes to be rash, immoral or cruel.
Within Sector Seven he is known as a solid, dependable soldier, a resourceful and reliable field agent and a passionate scientist. Relationships with his colleagues, both former and current, are both professional and amicable. In Calamity Trigger, he is seen chatting pleasantly with Litchi, then a member of Sector Seven, about his new assignment as Kokonoe's field agent; Litchi mentions that Kokonoe's tasks must be gruelling to give "our Tager" cause for complaint, signifying his established status as a quiet, skilled professional.

Story-wise, Tager is infamous in the world for his fierce appearance and frightening stature, and his combat prowess matches if not exceeds his reputation; his intelligence and cyborg body only adding to his collective arsenal. Tager has stood toe-to-toe with high-threat targets such as Hakumen, Ragna, Jin and Relius, as well as his former colleagues Arakune and Litchi, two beings who stream power from the Boundary.