Churchill's name on his title card is tinted yellow.
This is the second battle where both rappers are shown in black-and-white at one point, after Mr. T vs Mr. Rogers.
Churchill's hand gesture in his title card is his famous V sign, which he used to refer to the V for Victory campaign.
The way Theodore Roosevelt's mouth moves as he says, "What's up, bitches?!", and the phrase itself, are a reference to Roosevelt's appearance and catchphrase in the ERB News videos.
The line, "I'm the Rhyme Minister, fresh in a hat and dinner jacket," features the phrase "Rhyme Minister", which also appears in Dan Bull's Twitter account biography.
Roosevelt is the fourth and final President whose face appears on Mount Rushmore to be in a battle. This is acknowledged by Churchill in his second verse and by the cameo appearances of fellow Mount Rushmore Presidents George Washington, Thomas Jefferson, and Abe Lincoln, who had all rapped previously.
During their last verses, lightning flashes in the background, showing a Rough Rider soldier on his horse during Roosevelt’s verse, and World War II paratroopers during Churchill’s.
In the line, "Your whole miserable country is the size of one state!", while Churchill is referring to the fact that England occupies 50,000 square miles to Alabama's 52,000 square miles, it is a picture of the entire island of Great Britain that visually morphs into an outline of the American state Alabama, when in fact Great Britain is much larger than Alabama, at 80,000 square miles.
In the line, "Steady there! I don't think it's very fair," the word "it's" is misspelled as "its".
Dan Bull's hair can be seen under Churchill's hat frequently throughout the battle, even though Churchill was bald.
Theodore Roosevelt vs Winston Churchill. ERB Behind the Scenes