Joel's mom is named Becky. Rebecca (Reilly) Wheelock is the woman who birthed the man who sings about date rape and degrading strippers.
Joel Wheelock has a habit of harassing strippers who he doesn't think have enough curves. He also has a habit of harassing strippers who he thinks are "so white!" It's probably a symptom of his own self-loathe. Joel's mom is a full figured, red haired, Irish-American woman.