"The Prison King is a prisoner of Gulag 38B in Muppets Most Wanted. After Constantine breaks out of the gulag, he becomes the leader of the prisoners (complete with a crown made of sporks). He performs \"Working in the Coal Mine\" in the Annual Gulag Revue Show and escapes along with Kermit and the other prisoners."@en . "Prison King"@en . "The Prison King is a prisoner of Gulag 38B in Muppets Most Wanted. After Constantine breaks out of the gulag, he becomes the leader of the prisoners (complete with a crown made of sporks). He performs \"Working in the Coal Mine\" in the Annual Gulag Revue Show and escapes along with Kermit and the other prisoners."@en . "2014"^^ . . . . .