• Origin: House captures the rat in Stacy Warner's attic in the Season 2 episode "Hunting" (episode 2.07), initially intending to kill it, but decides to keep it as a pet.

In the standard rock, paper, scissors game, paper is the only item that beats rock. Paper wins by covering or wrapping the rock. In extended variations like "Rock, Paper, Scissors, Spock, Lizard," Spock (represented by a Vulcan salute) also beats rock by vaporizing it. 

In the NATO phonetic alphabet, the letter Y is represented by the word Yankee. It is used in radio communication to clearly identify the letter, pronounced as "YANG-KEY".

A group of apes is commonly called a shrewdness. They are also frequently referred to as a troop. These collective nouns highlight the high intelligence and complex social behaviors of apes, with "shrewdness" being a direct reference to their witty and intelligent nature. 

The popular actor who won the Western Australia Junior Chess Championship at age 10 is Heath Ledger (1979–2008). Known for his acclaimed roles in Brokeback Mountain and The Dark Knight, Ledger was a lifelong chess enthusiast who frequently played in Washington Square Park as an adult.