Who is the reality TV legend that competes on NBC’s Deal or No Deal Island in Season 1 Episode 4, ultimately winning with his chosen case containing only $500, and later mentors Aron Barbell in Episode 5 titled “Are You Trustworthy?”

The reality TV legend who competes on NBC's Deal or No Deal Island in Season 1 Episode 4, ultimately winning with his chosen case containing only $500, is "Boston Rob" Mariano. He later mentors Aron Barbell in Episode 5 titled "Are You Trustworthy?"