Kakashi Hatake was one of the youngest Chunin ... Minato Namikaze, the man who was famed as the Fourth Hokage, was also a very gifted ninja. Minato did not possess any special bloodline either.

Warning: Spoilers for Teenage Mutant Ninja Turtles x Naruto #1Teenage Mutant Ninja Turtles meets Naruto in an epic crossover ...