Dai San Gen are triplets that come from the planet Shinar. The average life of the beings on Shinar is 200 years, extremely long compared to that of earthlings. However, even after reaching adulthood, they remain quite small. Using telepathy, they don't need to speak to communicate. Dai, Sen, and Gen have incredible teamwork skills and an amazing ability to operate their machine as one. Dai takes care of handling, San handles navigation, and Gen handles acceleration and braking.
They are skilled in gymnastics and Mahjong.
They were gifted the Pink Spider by their uncle, a fan of gambling. Like Gomar & Shioh, they have been allowed to race together in one vehicle especially designed to host them. They aim to win at least three trophies, so each one of them will be able to hold one.