He seems to be doing as a joke, maybe for one of his press night comedy acts?
Obama is the foremost person that ever made me think about this passage in Daniel chapter 11. Not everyone agrees; ran into an old high school friend recently; he was stunned by him as well.
Daniel 11:36 King James Version
36 And the king shall do according to his will; and he shall exalt himself, and magnify himself above every god, and shall speak marvellous things against the God of gods, and shall prosper till the indignation be accomplished: for that that is determined shall be done.