The boundary, where those rock layers were not reshaped by the collision, is the western edge of the Valley and Ridge physiographic province and the eastern edge of the Apppalachian Plateau. West of the Shenandoah Valley, the Valley and Ridge province extends into West Virginia.
Yowie is one of several names given to a hominid reputed to live in the Australian wilderness. The creature has its roots in Aboriginal oral history.
Yoshi (also known as Green Yoshi) is a Japanese dinosaur-like creature who appears in the Mario series and is Mario's sidekick, as well as the tritagonist in many games. His debut was in Super Mario World. He later had his own series with several platform and puzzle games, including Super Mario World 2: Yoshi's Island.