Mamushi

Mamushi (マムシ, Mamushi, Literally meaning: Pit Viper) is a puppet, originally created by Kōsa. True to its name it resembles a snake. Mamushi is a puppet that has high offensive capabilities and was considered a very dangerous puppet during the Second Shinobi World War. Mamushi was a segmented puppet, allowing it to bend at many different angles to allow it to dodge attacks

Abilities and Weapons
Mamushi was a segmented puppet, allowing it to bend at many different angles to allow it to dodge attacks. All weapons installed on Mamushi were coated in Kōsa's special brand of poison, which would cause nausea, weakness and finally death after two days.
 * Fangs that could spray a large amount of liquid poison.
 * A senbon launching mechanism inside its mouth.
 * A kunai launching mechanism inside its tail that fired kunai with explosive tags attached.
 * Numerous hidden blades hidden inside its various body segments.