- Count Saint Germain (also St.Germain or Saint-Germain)
- Welldone (also Weldoun or Weldon)
- de Saint-Noel
- Saltykoff (also Saltikov)
- Marquis de Montferrat
- Prince Francis Leopold Ragoczy
- Marquis d'Aymar
- Simon Wolff (according to Marquise de Crequy)
- Count Surmont
- Prinz Ragoczy
- Frater Laicus Tertiarius
Eyes: Brown, "soft and penetrating" according to Comtesse d'Adhemar, possibly Oriental, narrow.
Face: Aquilline features and nose.
Height: Medium or slightly-less-than medium height
Other Markings: Dimple on chin, small feet, delicate hands, "magnificent teeth", ambidextrous (to the point of being able to write two different things at the same time while singing)
Languages Spoken Fluently: German, English, Italian, Portuguese, Spanish, French with a Piedmontese accent, Greek, Latin, Sanskrit, Arabic, and Chinese.
Arts: Violin, Musical Composing, Piano, Singing, Painting, Author
Professional: Chemistry, Alchemy, Textile/Dye Manufacturing, Velum Paper Manufacturing, Diplomat, Inventor, Medical Advisor (but not a doctor)
Known diet: Oatmeal, groats, and white meat of chicken. On the rare occasion he will drink wine.
Quirks: Possible germaphobe
Other: Has a man named Roger/Zeffort who he travels with for "500 years".