Dick Gregory (1st row, C) and a group including George Lopez, Tommy Davidson, Dr. E. Faye Williams, Stevie Wonder, City Councilman Mitch O'Farrell, Roseanne Barr and Rob Schneider participate in an unveiling ceremony honoring Gregory with the 2,542nd star on the Hollywood Walk of Fame in Los Angeles on February 2, 2015. Photo by David Silpa/UPI