The head of a Japanese Dojo is typically addressed as Sensei. He may have other titles, such as Hanshi, but the 'generic' would be Sensei.

yes there is a Japanese movie called ring

According to Serebii.net, Cobalion have no password for either the Japanese, English, and European titles of the game.

The Japanese titles "-kun" and "-san" are used to address others respectfully. "-kun" is commonly used for boys or younger males, while "-san" is a general title of respect for both males and females.

Inuyasha can be found in English, Japanese, and many other language's. when you want to search inuyasha episodes up in English or in a language other then Japanese, search: 'Inuyasha episode 1 (language) dub'. when you want to find it in Japanese but want the sub titles of a different language, search: 'Inuyasha episode 1 (language) sub'

i hope it helps (^-^)