Snorlax

Snorlax is a massive Pokemon from the Kanto region. It is a pure Normal type. Snorlax is known to be a massive sleeper as it can sleep for many hours. It is also known to be a massive eater as it can eat a lot food but then after it had its fill, it goes right back to sleep.

Snorlax was not known to have evolved until Generation IV, when it is discovered that it is the evolved form of Munchlax.