Getting a regional variant would be the perfect way to bring Drowzee and Hypno into the spotlight and give these Pokemon a greater focus. A change to a Dark type would make the most sense ...

Are Pokemon’s Legendary Beasts Cats or Dogs? Fans began coining Legendary Dogs based on their impressions of Entei, Raikou, and Suicune. Each beast is quadrupedal and has sharp fangs like a dog.