It is actually the other way round - Ron called Harry a git, because he had snuck away early in the morning, while Hermione and Ron were still asleep, and so they were worried because they didn't know where he was.
They call Sirius Snuffles when they are in public.
Harry, Hermoine, Ron
Harry, Ron and Hermione refer to him as Snuffles in letters and public conversations.
A baby camel is called a calf or a git.
No, Ron doesn't kill Harry.
No. Ron is in Gryffindor with Harry.
It depends on what you think of Ron and Harry.
What did professor Dumbledore give to Ron and Harry
When Ron wore the locket he was tortured into believing Harry and Hermione loved each other. Harry told Ron that he had to be the one to destory it and when they opened it a Riddle-Harry & Riddle-Hermione emerged and showed Harry how Ron really felt. The Riddle-Harry & Riddle-Hermione told Ron that he was unimportant and kissed which gave Ron the power to stab it. Harry then tells Ron that Hermione is like his sister.
Harry is much more mature than Ron however Ron cannot really be called immature.
Harry never gave Ron a necklace; however Lavender Brown gave Ron a necklace in the sixth film, "Harry Potter and the Half-Blood Prince
No. Harry Potter is hetrosexual and married to Ron's sister Ginny.