Question: What humorous nicknames were given to the co-founder of the social media website Guest of a Guest and his twin brother?
Sentence (from "Winklevoss twins"): The Winklevoss twins (born August 21, 1981; also humorously referred to as the Winklevi or Winklevii) are American rowers and Internet entrepreneurs, Cameron Winklevoss and Tyler Winklevoss.
Relevant evidence: Yes