What is the name of the 1998 song where this dude is walking around a moving room?

yea like i said. this guy is walking around this big room and as he moves the furniture and floor moves too. but not in a normal way. he will walk to the end of the room and the couch will rotate and sit on the opposite wall. he is wearing a large puffy top hat and a big blue fleece sweater. long hair and a bushy beard? possibly. he has a weird name that begins im pretty sure with a m