Quiz: Who Am I?

[PzHeinZ]

HiHi

This seems to have stalled a bit so here's another clue.

The "Who am I" was a famous 'Gamer' so dedicated in fact that his catering invention was a direct product of his addiction.

All the Best
Peter

Uuh, I´m getting desperate though I hope I´m on right track now: Cook named his discovery, later Hawaii, the Sandwich Islands in honor of one of his sponsors, John Montagu, 4th Earl of Sandwich

So is mr. Montagu The Man who you are?