Winged Figure Spinner Keychain. Depicting Winged Figures Of The Republic Statues at Hoover Dam. The figures are sentries at the entrance to Hoover Dam, part angel, part symbol of the strength of man, they are the work of a sculptor named Oskar J.W. Hansen, a Norwegian immigrant who came to the United States after some time in the merchant marines. He became a citizen and joined the Army, and after he left the service, embarked on a long career as an artist and sculptor.