Levi Johnston -- The Most Alaskan Baby Announcement EVER

Levi Johnston proved he's one of the most fertile men in all of Alaska by impregnating a girl for the third time ... and they announced the baby in the most Alaska way possible.

TMZ obtained the picture Levi and his wife Sunny Oglesby sent to their family and friends to announce they were having another kid ... and well, lets just say there's a lot of cheese on that spaghetti.