Turbo Norimaki is Senbei's and Midori's first and only biological child. He is also a genius, far surpassing his father.
In Dr. Slump, Turbo is nearly killed by aliens and then revived by them, in the process of imbuing him with many super powers including teleportation, flight, technopathy, and telekinesis.
When Goku asked Senbei to repair the Dragon Radar, Turbo quickly fixed it with his psychic powers knowing his dad would not be able to fix it, and after Arale defeated General Blue and accidentally forgot to get the radar back, he makes a new one with the parts to Senbei's plane for Goku, using his powers. He also lifted the effects of General Blue's Look into my eyes! technique from Goku.