1-Despite being nicknamed “Whitebeard”, Newgate’s epithet originated from his trademark mustache. This is because the Japanese word “hige” can mean both mustache and beard.
2-Whitebeard is one of three characters whose name comes from the real life Blackbeard, otherwise known as Edward Teach; the others being Marshall D. Teach and Thatch.
3-Whitebeard shares several characteristics with the legendary warrior monk, Musashibo Benkei. A popular figure in Japanese folklore, Benkei was said to have been five times the size of a normal man, possessed inhuman strength, and wielded a naginata as his weapon of choice. He famously died in a standing position, with his body riddled with arrows and spears.
4-The Newgate Prison was a notorious prison in London, active during the Golden Age of Piracy, and where many infamous pirates (and other criminals) were incarcerated; including William Kidd and members of the “King of the Pirates” Henry Every’s crew.
5-As a child, Whitebeard wore a light colored sleeveless shirt with the word “Power” (力 Chikara) written on it. He also wore shorts and a white bandanna. He had bandaged scrapes and cuts from his fights.
After his home country, Sphinx, became too poor to be a member nation of the World Government, Newgate became an orphan. He became a pirate at an early age and supported his village with the money and resources he gained.
6-Throughout the Battle of Marineford, Whitebeard received 267 sword wounds, 152 gunshot wounds and 46 wounds from cannonballs — adding up to a total of 465 injuries at the time of death. Despite this, there was not a single scar on Whitebeard’s back showing cowardice. At 72 years old, he was the oldest known Yonko in the series.
7-Whitebeard set out to sea when he was still a young man, sailing as a pirate with other crews. Some years before he founded the Whitebeard Pirates, he joined a “certain group of pirates”, which the Vivre Card Databook Vol. 4 implies to be the Rocks. It’s also implied to be the same group Bakkin was in.
8-Whitebeard is widely regarded as the “strongest man” in the world. In comparison, Kaido is said to be the “strongest creature” in the world, though the extent of his powers remains unknown.
9-Universal Studios of Japan built a replica of Ace’s and Whitebeard’s tombs. Whitebeard’s epitaph says: “Edward Newgate, captain of the Whitebeard pirates, here lies a great captain and father, liberated from the exhausting role and labor, who captained the Moby Dick in the spectacular Era of Pirates“.
10-In the 6th Japanese Fan Poll, Whitebeard ranked the 28th most popular character in One Piece, making him the third most popular of the Whitebeard Pirates and the second most popular Yonko behind Shanks.