Ninja Village

The Ninja Village(忍者の里, Ninja no sato) is the hidden ninja village located somewhere in the World and it is a hometown as well as birthplace of Speed-o'-Sound Sonic, Hellfire Flame and Gale Wind. The location and appearance of the village along with the detail about its are unknown.

During Hellfire Flame and Gale Wind's conversation with Sonic, in order to graduate from their ninja training, all students must kill each others until only a few survive to become a true ninja. Hellfire Flame and Gale Wind are the graduated of the 37th class and Sonic is the sole survivor and graduate of the 44th class.

Trivia
All male ninja have a redundant name for unknown reasons.