Sebasstian

Sabastian (サバスチャン, Sabasuchan) is the secondary butler of Neptune royal family.

Trivia

 * Sabastian's name derives from the butler Sebastian from the popular anime adaptation of Johanna Spyri's Heidi. Ever since, in Japanese popular culture "Sebastian" has become a stereotypical butler name, similarly to "Jeeves" in English culture.
 * His name is also a pun on "mackerel" (鯖).