Gertrude and Phoebe, from the joke:
Once there were two sisters named Gertrude and Phoebe, who never married and had always lived together. When they started to get old, they made a pact that whichever died first would try to tell the other what the afterlife was like.
Gertrude died first. Phoebe was lying awake in bed one night, missing her sister, when suddenly she heard a little voice in the dark: "Phoebe... Phoebe..." She said: "Gertrude, is that you? Quick, tell me what it's like in the afterlife!"
Getrude said: "Well, I get up in the morning and have sex, and then I eat vegetables for a while, and then I have sex, and then I take a nap, and then I get up and eat more vegetables, and then I have sex again..."
Phoebe said: "Is that what it's like in Heaven?" Gertrude replied: "Oh, I'm not in Heaven. I'm a rabbit in Wisconsin."