Contributions to Resident Evil
Kenichi Iwao's experience with Resident Evil began when the original title was midway through development. Management was opposed to Shinji Mikami's disinterest in writing a script, and he reluctantly had the story changed from the protagonist fighting ghosts in a mansion to a group of cybernetically-enhanced special forces unit investigating a mansion where a rogue scientist was creating bizarre creatures. With Iwao attached to the project, the futuristic elements were quickly removed as an early example of "bio-real", while the Umbrella Corporation the top-secret bio-weapons market were created to give greater reason for why monsters would be created. According to Resident Evil 2 director Hideki Kamiya, it was Iwao who came up with the "Clay virus", which would eventually become known as Progenitor. In his story notes, he also established that the t-Virus could not reanimate the dead, but simply gave the impression of death by shutting down the organs of infected people; this would be continued by Noboru Sugimura.