2) Everyone in an unfamiliar crowd.
3) The responsible party to all unwitnessed damage occurring when only children were present.
4) To do nothing, say nothing, to be nothing, to not exist.
2-They were nobody special to us.
3-Who broke the window? Nobody!
4-Impossible if you're alive.
From the Kingdom Hearts game series, specifically Kingdom Hearts 2, and Kingdom Hearts: Chain of Memories.
(Roxas = Sora)