I'm pretty sure there are quite a few lizards with the word "dragon" in their name (I can think of two off-hand) so I'd avoid that question! Personally I don't approve of the celebration of St George's Day: simply a slavish copy of the celebration of St Patrick's Day, which itself is an Americanism. At least St Patrick actually had something to do with Ireland: St George is terribly obscure at best and had nothing whatsoever to do with England in the slightest.
As an easy starter, or a tie breaker, how about: From the letters of the name 'George' provide two three letter words which, in essence, have the same meaning. (Ans. Roe and Egg)
[rab] Ah yes, we've had that before, haven't we? Apologies... [Dujon] I wouldn't call that an easy one, but it's damnably clever. You might also ask what the name "George" actually means (farmer or earthworker).