if you really want to know, read this Hedwig
Fred Weasley
Severous Snape
Remus Lupin
Nymphadora Tonks
many more...
Himself: his own Avada Kevadra killed him.
Harry didn't killed nobody.
No, only the Horcrux inside him was.
No Harry Potter book starts with that.
no
Fred Weasley gets killed at the end of harry potter 7
he is killed by harry potter
harry killed voldemort
James and Lily Potter died before the events of the first book, Harry Potter and the Philosopher's Stone, they had been dead for sixteen years in Harry Potter and the Deathly Hallows.They were killed by Lord Voldemort.
It is the fourth one, Harry Potter and the Goblet of Fire. Neville believed that he drowned harry due to the gillyweed not working.
no.
Minerva McGonagall becomes Headmistress after Snape is killed by Voldemort.