you show them the picture of shady guy. you are welcome
The mimes are unnamed. They can be found in the right section of Counterfeit island.
You ask the mimes who hum a tune indicating to go to the Jazz Cafe.
The mimes by the clown shop. They will whistle. That means to go to the jazz club
The lack of sound on Poptropica is the cause for confusion. When you ask the mimes about the thief, they pantomime "making music", indicating you should look in the All That Jazz cafe.
right outside the clown shop they actually help you later in the game.
On counterfeit island, if you start at your blimp, go right until you see the clown store. There will be two mimes, one on either side.
ask the mimes and go to the coffee place
The mimes in front of "Bobos Clown Shop".
From the store with the two mimes in front of it. PICK A GREEN ONE!
Because they are in a choir.
you have to talk to the mimes and they will motion you to go to the jazz cafe.
Because they are mimes -- they act out things silently. When you ask them if they have seen the man, they act out "playing music", which suggests they saw him in the All That Jazz Cafe.