So... why does the adorable snake cryptid thing go "nyan?"
I don't have any specific source to quote this from but it might have to do with the theory that the Tsuchinoko was actually a cat that a foreigner to japan mistook for a short, round jumping snake.
Mushroom Autumn!!!Kinoko AutumnNyaaaan!#844 -noko AutumnThe "-noko" in the title refers to words that ends with "のこ", but has different hiragana(s) such as "き" or "つち", to form different words.Tsuchinoko Autumn!!!NyaaaanNyaaaan