You know, I was lurking around in all, and saw this and immediately thought, this is wildly interesting. I’ve played since the original and never knew why. So, it’s super lame. Trademarks. A communications director said it would be hard to get the TM in USA, so Capcom voted to change it to Resident Evil internally. The name was picked because it took place in a mansion. You are correct in that, BIOHAZARD refers to the end game with Umbrella.