I would say, "My name isn't Dharma and I don't exist in a sitcom."
I would say, though, be very careful about what you give away on here. I was involved in some PMs about my faith. I kept telling the person writing me that I wasn't a student of a seminary and so if they wanted deep seminary type 'proofs' regarding the Bible, I wasn't the person. They kept writing and finally they asked what I did for a living. I gave a very aloof answer. They asked for more information and details. I then replied, "I'm sorry. I don't give that information out online."
Their response was, "Ok. Sorry."
I didn't hear any more from them. Don't give personal info online, especially here. You feel safe because this is a Christian site, but many will tell you not all here are who they portray themselves to be.