The 13th doesn't have "his own." He's a loner.
Gur, I also wrote down the possible clues as the discussion progressed. I based my selection of the four of you on them.
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Where is Madge's weapon?
Didn't you say there was a weapon? Or was it Phoenix? I don't know, but the robot clearly has one, especially the sheriff. And it's not as obvious as with Tenga and Sunny, so it wouldn't be an obvious clue.