And, this month he has really cranked up the difficulty level on his latest military history quiz.
Are you brave enough - or foolhardy enough to take him on at his own game? Click here to take the quiz - and if you are fortnuate and cunning enough to come through with every question correct you could be in the chance to win a very cool prize.
And don't be afraid to let us know how you scored, post your score as a comment, and we can congratulate you....or mock you accordingly.
Having said that, I only got 4 right, so I may have to go and cower in a corner for the rest of the day... the Osprey Quizmaster defeats me again!!
Have a good weekend everyone!