Well, looks the the jig is up. I mind as well reveal myself now to clear some things up.
As Ifrit mentioned there is a jailkeeper type role that has the power of both a roleblocker and a doctor. But, that is not what I'm called. My actual role is called Companion and I'm town-aligned. You see, I told you the mods took an artistic license. As the companion I sleep with people at night. No really. I sleep next to the person I chose for that night and they are kept nice and safe in their comfy little beds, but they are also roleblocked.
Night 1 - I chose Titan because the Cheater outted him and I knew he'd probably be a likely target at night. I decided to protect him, but unfortunately also roleblocked him which is why he came up with the "no result" on this night.
Night 2 - I chose Ifrit because I was iffy about his role. I wanted to see what he'd say after he got roleblocked and protected and it confirmed for to me that Ifrit definitely had a killing ability at night. He says he went after Bahamut and Bahamut is still alive so we can presume this. Chocobo coming up as guilty for Ifrit and then it being revealed that Choboco is also a serial killer also tells me that Ifrit is most likely not lying.
And now for Shiva. Shiva didn't die when Chocobo tried to kill her. This was a red herring to me. I started to think well if there is a role like me for town there has to be a role similar to me for scum right? If this game were truly balanced then there is probably a Mafia Doctor or Mafia Roleblocker also known as Prostitute. I'm inclined to believe that it's Shiva because as someone mentioned earlier, doctors usually protect themselves the first night. Shiva's quote for not wanting a cop to investigate her is also obviously scummy. The Nexus roleclaim is convenient for her, but highly unlikely. Maybe Leviathon can shed some light on this?
I already said what I had to say on Odin, but just know that he should be someone to look out for as being anti-town as well.