While the tuk-tuk is the quintessential cultural icon of Thailand, its historical origins actually trace back to Japan in the 1930s. The design was inspired by the Daihatsu Midget and other motorized three-wheeled "midget cars" or sanrinsha that were popularized as cheap, nimble transport after World War II. These Japanese vehicles were exported across Southeast Asia, where they were eventually modified and localized. Thailand reimagined the vehicle in the 1960s, replacing the old engines with faster versions that made a distinctive "tuk-tuk-tuk" onomatopoeic sound, giving the vehicle its world-famous name. Today, the Thai version is characterized by its vibrant neon colors, wide base, and aerodynamic slope, making it distinct from the "auto-rickshaws" found in India or the "remorques" in Cambodia. While the technology began in Japan, the soul and branding of the modern tuk-tuk are undeniably Thai.