Sonic Channel staff on their blog:
It is Eggman working hard himself without relying on robots by the fact that it’s the sports season of autumn!
Is he worried about the circumference of that round belly after all…? I hope it is effective.
The right end of the quiz image was his belly, wasn’t it? It is surprising that Dr. Eggman would jog, isn’t it!? Besides, he looks quite desperate….
This time, the scene seemed to be especially difficult, didn’t it? Everyone is right on the mark up to the “Eggman!” part, but there were many comments asking, “What is he doing…?” Meanwhile, we also received answers of them doing their best, using hunches like “exercise,” “running around,” and “jogging”~