|Romaji:||Giruberuto F Arutoshutain|
|Anime Debut:||Episode 2|
|Manga Debut:||Chapter 4|
|Japanese Voice:||Fukumatsu Shin`ya (vomic)
Ginga Banjou (anime)
|English Voice:||Francis Henry|
Gilbert F. Altstein (ギルベルト・F・アルトシュタイン, Giruberuto F Arutoshutain) is Klaus' butler and member of Libra who handles most of their intelligence network.
Gilbert is an older man clad in typical Butler attire, most of Gilbert's face is covered with bandages save for his eyes, mouth & hair.
- In the Original Oneshot, Gilbert was a Mummy, but this has obviously since changed.
- Despite being flawless in working around the building, he panics when dealing with mice.