OK, I've narrowed possible responses and I'm going to take them in the following order:
2. Reporting incidents to a higher authority (sensei, wife, etc)
3. More verbal responses
4. Physical response
5. Leave the dojo
I'll fill you in after the holidays how things are going. Thanks for all of the help.
Removing the stimuli reinforcing the behavior might in this case most likely make it worse before it get better.
English: If you stop giving him attention he'll most likely get more annoying at first. After some time he'll give up and leave you alone, unless he figure other ways to bug you. That will be if your attention is the motivation for his buggyness.