Do you realize what you just said is complete bull manure? More so because it has zero guarantee it'll work? You don't demonstrate rights based on what the law allows, you don't have a single damn right to the domain name at all. Zilch, nada, nothing. You're not doing people here any favor at all by posting something unrealistic and unenforceable.
Is the guy running ads on your domain? You can claim that he is taking money away from you. Just a thought. If he isnt then just get a .net name. Many bands have those and your listiners will find you.
Think about it for a minute It is a common name domain not a service or trademark or brand name...and more than likely there are several people with your same name. How long ago was it registered??? Do not waste your money on a lawyer or any other means of trying to get the domain as it will not work and you have no justification to the name other than your parents named you as you are known. Many people post here without reading or comprehending the subject matter.