Касумі Ґьобу

Gyobu is the strongest of all of the Kouga ninjas. Like Saemon, he has chameleon characteristics, only he can blend into his surroundings, becoming completely invisible. With this sneaky, hiding technique, Gyobu patiently waits for his enemy to approach and without notice attacks, overcoming them with his incredible strengh. He isn't optimistic about reconciling with the Iga, and thinks that Gennosuke is making a mistake by trusting them.

(Source: FUNimation's Official Basilisk Website)