No, he did not.
No.
he killed
yes it depends
he tried to kill the son of Zeus
Hades doesn't kill Gods. And he would rarely personally kill mortals unless they crossed him. He is the God of the Dead, and Lord of the Underworld, not some ruthless bloodthirsty creature. He is actually very just.
He didn't kill anybody.
yes, anybody can kill anybody.
No.
No you cannot kill hades because he is a god but he can fade away if he is not remembered:-(
No.
Not really only Hades who kidnapped her daughter.
Not alone, no.
he killed
Hades had no sons and daughters neither with persephone or anybody else,still Cerberus could have been like his son.
yes it depends
no
He did not kill anybody. He was supposed to kill Johnson but he became a coward and did not do it.