There are numerous chimps who know sign language. The two most famous are Washoe and Lucy. For more, see the book Next of Kin: My Conversations with Chimpanzees (1997) by Roger Fouts.
Washoe learned sign language...
No one knows. Sign languages are as old as vocal languages.
Australian sign language is called Auslan.
You sign it.
To express "My name is Raven" in American Sign Language (ASL), you would fingerspell the name "R-A-V-E-N," then sign "MY NAME" before fingerspelling again, or use the sign "ME NAME RAVEN."
In American Sign Language, you can sign "MY NAME D-A-N-I-E-L-L-E" fingerspelling out each letter of your name, Danielle.
In American Sign Language (ASL), the name Leah can be signed by fingerspelling each letter of the name L-E-A-H.
In American Sign Language you fingerspell it
There are no names that have sign language equivalents. Instead, each individual is given a new name in sign language that is typically the first letter of the name used with some sign that characterizes that person. For example, if Anthony plays basketball, his sign name might be an A shape hand in the sign for basketball or if Anthony is very tall, his sign name might be an A shape hand in the sign for tall. Just like any other language, you probably can't choose your own sign name but your sign name is given to you.
There is not a different sign language based on race. Sign languages, such as American Sign Language and British Sign Language, are distinct languages with their own grammatical rules and vocabulary, but they are not tied to race. Anyone can learn and use these languages regardless of their race.
He knew only enough to get by in the show, "Reasonable Doubt(s)".
There is no sign language for Hannah. In order to have your name in sign language, you would have to make it up yourself. I hope this helps you.