Adder or viper.
Adder (snake) Alligator Ant bear (anteater) Anteater
A snake name starting with the letter "S" could be "Sammy" or "Sylvester".
Anaconda.
Python is a snake. It begins with the letter P.
Axolotl
vi
Jaguar is a car brand.
Swift
Aaron .
well many snakes have a name starting with n but just to name one would be the niraptor snake.
Sharpey Shepry
teddy