The April Fool's Fan of Imperio de Castilho is a massive, environmentally stunning nation, ruled by General Anhanguera with an even hand, and remarkable for its sprawling nuclear power plants, daily referendums, and ubiquitous missile silos. The compassionate, hard-working, devout population of 3.357 billion Castilhians have some civil rights, but not too many, enjoy the freedom to spend their money however they like, to a point, and take part in free and open elections, although not too often.

The large, corrupt government juggles the competing demands of Defense, Law & Order, and Administration. It meets to discuss matters of state in the capital city of Guaricana. The average income tax rate is 85.5%.

The frighteningly efficient Castilhian economy, worth 529 trillion dollars a year, is led by the Arms Manufacturing industry, with major contributions from Tourism, Information Technology, and Book Publishing. Average income is an impressive 157,660 dollars, and evenly distributed, with the richest citizens earning only 3.1 times as much as the poorest.

There are traffic jams at sea as diligent customs officers check every part of every ship, barbed wire entanglements and guard towers surround the Guaricana Natural History Museum, the government considers it a sacred duty to video bikini-clad beach swimmers, and annulments are on the rise as couples discover their ancestors were born in the same hospitals. Crime, especially youth-related, is totally unknown, thanks to a very well-funded police force and progressive social policies in education and welfare. Imperio de Castilho's national animal is the fragata, which frolics freely in the nation's many lush forests, and its national religion is Christianity.

Imperio de Castilho is ranked 229,857^th in the world and 4,764^th in The North Pacific for Highest Disposable Incomes, with 22,860.8 Standard Monetary Units.