Re: Pompous Baffoons
This is an excellent situation to show the true essence of Aikido. You must blend with his energy and bring him into harmony with the universe.
If that does not work then just injure him so bad that he has to leave and never come back.
As far as the above two ideas go, Hey I'm just kidding.
Really have a one one talk with your sensei and find out the reason this guy is there. Maybe more to this than you know.