Bowen Yang delivered an instantly iconic performance on Saturday Night Live over the weekend as the ice berg that sunk the Titanic.No longer must we debate what that ice berg would be like if it were a person, because now we know — a pop queen.Appearing on “Weekend Update” to promote his new “hyperpop EDM nu-disco fantasia” album, titled “Music,” Yang’s Titanic Iceberg stole the show.Addressing the berg’s cultural legacy, Yang explained: “That was a really long time ago.