Coney Island U.S.A. invaded Manhattan for its spring gala benefit, “The Ides of March,” at Webster Hall, on E. 11th St., Sat., March 15. There were burlesque performers galore, including such talents as Wae Messed, Sizzle Dizzle, Dottie Dynamo, Boo Boo Darlin, Brief Sweat, Bunny Buxom, Cheekie Lane, Ginger Twist, Heather Whatever, Miss Poison Ivory, Dolly Debutante and more. As for sideshow superstars, performers included the likes of Serpentina and Leo The Human Gumby. There were aerialists and a juggler, too, a dominatrix, a strong man and, of course, mermaids, plus a mini Mermaid Parade. The macro Mermaid Parade is slated for Sat., June 21, at 1 p.m. in Coney Island.