The Slouch Hat. The slouch hat is an object strongly associated with Australian identity. Corporal Matthew Walshaw from 4th/3rd Royal New South Wales Regiment adjusts his slouch hat before moving off to form up at the Rocks in Sydney, NSW.
This is another episode when Brian's book was mentioned. Stewie's phone number is (401) 555-0183. 401 is the actual area code for the state of Rhode Island, where Family Guy is set. Afuera is Spanish for outside. Lois mentions animal rights group PETA when Brian is speaking to the Griffins about animals rights.
SpongeBob SquarePants lives at 124 Conch Street, Bikini Bottom, Pacific Ocean. (Bikini Bottom's Zip Code is never revealed, and it might not even have any Zip Code.) SpongeBob's home phone number is 555-9196. The number is revealed in Issue #3 of SpongeBob Comics. However, the number is pretty much useless, because no area code is revealed.