Schmidt (surname) Schmidt is a common German occupational surname derived from the German word Schmied meaning blacksmith and/or metalworker. This surname is the German equivalent of Smith in the English-speaking world.
The sound is called a bleat. As to what the sound actually sounds like, that depends on the breed of goat. My Nigerian dwarfs, on the other hand, make a sound similar to that of a sheep.
Donkeys make a connected two-pitch sound that people generally describe as hee-haw with the hee more high pitched and the haw being lower pitched. However, National Geographic did a study that concluded the donkey's vocalization is actually more like wee-snaw, but many people still believe hee haw is correct.