Early in the original Timmy von Trimble call, he mentions his father took him to Gene Simmons Toyota. It seems to me that it's unlikely that the von Trimbles would be customers of Mr. Simmons nee Klein nee Witz.
Although later he does speak, almost admirably, about certain people's affection for pecuniary gain, so maybe he's a one-issue guy.
I'm starting to feel like those people in that William Shatner convention skit.