
This is guaranteed to be the extra-credit question on your next history exam!
Lucky Chicagoans are already familiar with the name Portillo. Portillo’s is a purveyor of some of the tastiest hot dogs you can get your hands on. Indeed, a stop at a Portillo’s restaurant is practically a requirement for any Midwesterner visiting Chicago.
▼ The Portillo’s official logo
Until a few days ago, though, Portillo’s founder Dick Portillo was likely one of only a handful of Chicagoans familiar with the name Isoroku Yamamoto. Isoroku Yamamoto was a Japanese Marshal Admiral who was responsible for planning the attack on Pearl Harbor during World War II. And Dick Portillo thinks he’s found something valuable that might have belonged to the notorious admiral – a gold tooth.
How did Portillo come to find this tooth and why does he believe it to be one of Admiral Yamamoto’s?
On a trip to the island of Bougainville in Papua New Guinea in July 2015, the site where Yamamoto died in a plane crash after a skirmish with American aircraft on April 18, 1943, Portillo, an avid WWII buff and former Marine took a crew on an expedition to view the plane wreckage from that crash, and as they were surveying the area, someone caught sight of the tooth in the mud nearby. The person who happened to lay his eyes upon it was a retired professor; as luck would have it, Professor Anderson Giles also has a particular fascination with WWII history and reportedly remembered that Yamamoto was shot in the jaw during the air attack.
Portillo purchased the tooth for $14,000 from the local clan who owns the area where the crash site is located. Although some feel the chances that it actually is Yamamoto’s tooth are slim to none, Dick Portillo is still hopeful that perhaps some DNA left in the tooth could be extracted for verification. He says his goal with the tooth is to make a documentary regarding his adventure in finding it and then eventually turn it over to the Japanese government.
It may be some time before we know whether or not the tooth did indeed belong to Admiral Yamamoto, but thankfully we can still entertain ourselves with stories about “ninja hot dogs” and other unexpected discoveries while we wait.
Sources: The Japan Times, Chicago Tribune, The Atlantic
Featured image: Wikipedia/Papers of Takagi Kiyohisa
Images: Portillo’s


How are you supposed to wash a Japanese futon duvet at the laundromat?
Family Mart’s new Famima flagship in Tokyo has a hidden gem that most visitors miss
Face lettuce appears in Japan, with the face of Death Note’s Light Yagami, but why?
Pokémon Card Stores requiring facial recognition scans for entry in Japan in latest anti-scalper move
Studio Ghibli adds new Ponyo glassware to its anime lineup for summer
How are you supposed to wash a Japanese futon duvet at the laundromat?
Family Mart’s new Famima flagship in Tokyo has a hidden gem that most visitors miss
Face lettuce appears in Japan, with the face of Death Note’s Light Yagami, but why?
Pokémon Card Stores requiring facial recognition scans for entry in Japan in latest anti-scalper move
Studio Ghibli adds new Ponyo glassware to its anime lineup for summer
Tokyo subway installing new ticket gates that don’t accept payment through Suica or other IC cards
A roadside hair salon stall in China made us Norway’s Haaland for US$1, and warmed out hearts too
Japanese Shinkansen becomes an overnight hotel for three nights this summer
Starbucks Japan releases a miniature display rack so you can create your very own store at home
Studio Ghibli Laputa figure looks like it’s really flying thanks to cool visual trick
New Shinkansen luggage drop-off system begins in Japan, making train travel even easier
99-year-old woman rescued while attempting to climb Mt. Fuji
Which country’s foreign tourists spend the most money per-person in Japan? Hint: Not the U..S. or China
Giant Evangelion Spear of Longinus to be installed at Japanese train station with Eva art trains
Cup Noodle releases cold-water instant ramen in Japan, but can it really be made with just cold water?
Kodama Shinkansen trains on popular Japan route get a whole new look this winter
Studio Ghibli has a new anime out, and there’s only one place in the world where you can see it
Salomon releases Japan-exclusive Mt. Fuji hiking gear that doubles as an amazing souvenir
Japan now has human refrigerators inspired by Japanese vending machines
Hatsune Miku collaborates with Hokusai’s art in new Vocaloid ukiyo-e illustration series [Pics]
Japan triples departure tax, foreign tourists and locals now must pay more to leave country
Studio Ghibli releases anime T-shirts that pay homage to one of Hayao Miyazaki’s most personal films
Family Mart opens new “Famima” flagship store in Tokyo that’s like a tourist attraction
Sanrio Character Poll announces winners, Hello Kitty absent from top 10 in many countries
Japan announces sudden 400-percent increase in visa fees for foreigners entering the country
Japan’s human washing machines will go on sale to general public, demos to be held in Tokyo
Starbucks Japan releases new drinkware and goods for Valentine’s Day
Starbucks Japan releases new sakura goods and drinkware for cherry blossom season 2026
Japan’s newest Shinkansen has no seats…or passengers [Video]
Japanese ninja certification exam attracts 131 candidates from Japan and abroad
Put sesame oil in your coffee? Japanese maker says it’s the best way to start your day【Taste test】
Tokyo subway installing new ticket gates that don’t accept payment through Suica or other IC cards
A roadside hair salon stall in China made us Norway’s Haaland for US$1, and warmed out hearts too
Japanese Shinkansen becomes an overnight hotel for three nights this summer
Starbucks Japan releases a miniature display rack so you can create your very own store at home
Studio Ghibli Laputa figure looks like it’s really flying thanks to cool visual trick
Universal Studios Japan requiring consent form for adults-only horror attraction
Japanese Coo-Che becomes a viral sensation, and everyone wants a taste
Pokémon’s cozy city builder game inspires Cozy (Corner) cakes in Japan! [Photos]
Which country’s foreign tourists spend the most money per-person in Japan? Hint: Not the U..S. or China
Giant Evangelion Spear of Longinus to be installed at Japanese train station with Eva art trains
Why is Taco Bell failing in Japan, even as the country falls in love with tacos?
61-year-old Kyoto man arrested for playing guitar and radio too loudly for seven years
Starbucks Japan adds a new summer Frappuccino to the menu, but is it as refreshing as it looks?
New Shinkansen luggage drop-off system begins in Japan, making train travel even easier