I would still contact ebay and let them know that you think that people might be confused by the name that he has chosen that is so close to yours and that you both sell some of the same types of products. It is at least worth a shot.

Beaten - 2003 MazdaSpeed Protege 29K <- broken hearted Daily/Weekend Beater - 1990 miata 138K - AutoX every weekend = Adult driven on weekends