Technically, Webb-Ellis when he picked up the ball and ran with it
The first player ever to do this was welsh ledgend Jonhathon Davies.
Wally
Neil Fox who played for Wakefield Trinity.
there hasn't been anyone yet
Mike
Yes the name for the sport rugby came from the place (Rugby School) where the sport was first played
James hook
A player
I don't have the full answer but some of the letters are _O_E
Bill Macaren
natsu
it may have been Jonathan davies in the late 80s.