Yeah. and there are probably legendary eggs in Go. And there's a manaphy egg in pokemon ranger. What else? Oh yeah, in pokemon snap, you could find the legendary bird trio by hatching them from hidden eggs. you push moltres into a lava pit, trick pikachu into electrocuting zapdos, and hatch articuno by- Making some Jynx Dance? Possibly the strangest method of incubation to date.