Ylvis. They grew up in South Africa, even though their father was Norwegian and their mother was Canadian...
Amethyst Star/Sparkler (A background pony who in one episode Rainbow Dash helps open a jar of peanut butter in an attempt to impress her)
Turducken. Peanut butter, banana and bacon sandwich is a pretty strange food. So is stuffing a chicken stuffed duck into a deep fried turkey, which is precisely what a turducken is.
Obesity. Halloween leads to candy, which leads to excessive loafing while eating candy, which leads to extreme processing of sugar into fat which leads to obesity.
Princeton, New Jersey He lived there for the later part of his life, and died there. I've visited his house there.