FanthorpeEnglish Fan means "From France" and Thorpe is a Middle English word meaning "Small Village, Hamlet"
GasserGerman (Swiss) Occupational name for a goat herd from Middle High German geiz meaning "Goat" and (n)er an agent suffix.
GogolUkrainian, Polish, Jewish Means "Common goldeneye (a type of duck)" in Ukrainian. Possibly a name for a fowler. A famous bearer was Nikolai Gogol.
KalashnikUkrainian Means "maker of kalaches", a variant of калачник (kalachnik) - itself composed of калач (kalach), a type of bread, and the agent suffix -ник (-nik). See also Kalashnikov.
LéotardFrench From the given name Leopold. Jules Léotard was an acrobat who popularized the leotard, a gymnastics garment. The garment is named after him.