The Smile Entity would kill us.

King Boo is the least likely to kill you and the most likely for you to be saved due to it being a Mario game, whereas the others are either way more likely to just kill their victims or are just straight up Gods.

I would not want Bill to go into my mind and look at my search history. 😳

Hmmm... let's see... five of these guys are currently under the Pure Evil status while one is not.

Guess which one I'm picking?

Herobrine is the only one on this list who won't immediately dispose of your body by throwing it into a death trap once he's done with it, do people really trust Bill more?