Rasengan (Mike)

The Rasengan was created by Minato Namikaze, which he based on the Tailed Beast Ball. He spent three years creating the Rasengan, which he intended to be the highest form of shape transformation. Like many of Minato's jutsu, the Rasengan does not require hand seals to perform. This Jutsu then got passed down from Jiraya to Naruto and now Sato!