Yes, and it is getting worse all the time, there is constant stream of these clones taking over the forum and it is Legion since the change of comments screening methods.  While I don't think they are ALL the same person, there are clearly some using the have different personas but clearly the same person.  Add in Fr Z sending over his flying monkeys, the OD cult and there you have it!  Would that we had a herd of Gadarene swine to drive them into.