The Trader in Pajamas

Is this a con? Hi everyone i am new here, just wanted to ask has anyone herd of The Trader in Pajamas system if so could you advise me please.
If you are unsure about this particular system here are some others you could try:

The Trader in Lederhosen

The Trader in Speedos

The Buck Naked Trader

kidding aside, I've never heard of them but a quick Google search told me all I need to know.