User blog comment:Gliscor Fan/Epic Rap Battles: Pokémon vs History. Cubone vs Batman/@comment-3401602-20150521220426/@comment-1652808-20150521220941

http://bulbapedia.bulbagarden.net/wiki/Cubone_%28Pok%C3%A9mon%29

Cubone is a shrew who lost his mother to Team Rocket in the original pokemon games. His dead mother is actually seen during an event in Lavender town, but you cannot catch her.