Lore dump: This is not a coincidence, as the characters themselves refer to the chidori being named due to sounding like thousands of birds. The alternate name

Lore dump: This is not a coincidence, as the characters themselves refer to the chidori being named due to sounding like thousands of birds. The alternate name used by kakashi, raikiri, is related to https://en.wikipedia.org/wiki/Tachibana_D%C5%8Dsetsu https://en.wikipedia.org/wiki/Tachibana_D%C5%8Dsetsu