A Typhoon jet flown by Flt Lt Jim Peterson practising over RAF Coningsby in the East Lindsey district of Lincolnshire, England on September 27, 2019 producing a rainbow effect over the plane. The rainbow is made of crystalized or frozen water vapor that reflect and refract sunlight, causing the rainbow effect. (Photo by Claire Hartley/Bav Media)

American singer Dove Cameron arrives for the world premiere of “The Flash” at Ovation Hollywood in Hollywood, California, on June 12, 2023. (Photo by Michael Tran/AFP Photo)

People pose for photos beneath the Hollywood sign on September 25, 2023 in Los Angeles, California. Hollywood is awaiting the final vote on a tentative contract agreement between over 11,000 Writers Guild of America members and Hollywood studios in the nearly 150-day writers strike. (Photo by Mario Tama/Getty Images)

Nicole Kidman arrives for the world premiere of "Holland" at the Paramount Theatre during the South by Southwest Conference and Festival on Sunday, March 9, 2025, in Austin, Texas. (Photo by Jack Plunkett/Invision/AP Photo)

A woman and her dog compete in the Paris Sausage Walk along the banks of the River Seine on Sunday, November 16, 2025. The event raises funds for the well-being and adoption of dachshunds. (Photo by Dimtitar Dilkoff/AFP Photo)

A Ford Motor Company 1954 V8 model car parked in a garage in the village of Quivican, south of Havana, October 11, 2009. (Photo by Desmond Boylan/Reuters)

Naki'o, a mixed-breed dog with four prosthetic devices, goes for a run in Colorado Springs April 12, 2013. Naki'o lost all four feet to frostbite when he was abandoned as a puppy in a foreclosed home. (Photo by Rick Wilking/Reuters)

The name Danbo is a pun on the Japanese word for corrugated cardboard “danboru” (ダンボー). There’s also a company in Japan which makes cardboard boxes which has Danbooru in its name.