150 years have passed since the battle with majin buu and saiyan blood has been diluted to the point of extinction. Say for one man who has pure saiyan blood. Who is he and how does he know the creator of the IS suits? (I may throw in some TFS references in here and there)

This is my first fanfiction/crossover ever so flames are necessary for my stories survival will be Black ops3 in their COD BO3 is owned by Treyarch Infinite Stratos is owned by Izuru Yamizuru and DBZ is owned by Akira Toriyama and also my Xbox username is Stomaticaxe692 if anyone wants to play Battlefield 1, Black ops 3 Infinite warfare or GTA 5 (OC x Charlotte Dunois)