The difference between you and I is I am proven innocent by death, therefore anyone who does not trust me must be Mafia.
And the reason I believe Ledgend's screenshot is real is because he received his PM in the same format I received mine in.
Plus, too many null votes mean we will be slaughtered while we sit idly by. That is why it's usually better to take a guess than to vote null. In Mafia 1.0, we could not vote null, and look how well that turned out.
Oh, and Caboose. Sikslik said he'd reveal people's roles if they were Mafia, but not if they were pro-town. So I can't be Mafia, since Sikslik revealed nothing.