The Mega Mac discussed here, the four beef patty, cheese, dressing, 754 calorie, 45.9 grams of fat burger was such a big hit in Japan that they have now introduced the MEGA TERIYAKI!
Not to be outdone by its' predecessor, the Mega Teriyaki boasts 903 calories and 64.3 grams of fat. The burger is two pork patties, teriyaki sauce and a sweet lemon mayonnaise.
McDonald's also has a progress page, comparing the sales of the two Mega Burgers
If you are a collector of McDonald's toys, YJ has a ton HERE
Via Calorie Lab