Let's see... little kids would answer "hikaru"
People with a little more experience might try "lenny bongcloud"
People with more experience than that will know this was played many years before the internet existed.
People with no experience, but venturing a guess based on simple logic, would guess that no one knows for sure, and that it has probably been played a long time ago.
Who is the first player use this opening??? I will answer after 100 view or 15 comments!!!