The title "Mark" referring to both the mark on his arm, and the fact that he is a "mark" -- a victim of a prank or confidence scheme. 18.104.22.168 22:18, 13 December 2012 (UTC)
Hey, I'm part of this club too! Been burning down houses and killing people for years now. ~JFreund
22.214.171.124 08:26, 6 February 2015 (UTC) In other words, never, ever let Cueball play Hotline Miami.
- To the sane person this is absurd. 
The explanation doesn't clearly say that the actual mark is simply: "Pen15" (even though it becomes clear after reading the explanation, for the record: this joke is new to me, I've never been invited to that club :-) 126.96.36.199 (talk) (please sign your comments with ~~~~)