This annual event blends classic carnival with all things macabre and Halloween. Besides imaginative frights, this year’s performers include Roxi D’Lite, Messer Chups, His Name is Alive, Friends of Dennis Wilson, Tana the Tattooed Lady, Straight Razor Barbershop Quartet, Gabriel Brass Band, suspension artists and many more. Costumes are mandatory and not an afterthought at Theatre Bizarre. Do not phone it in. Masquerade balls are Friday and Oct. 20. Theatre Bizarre is the evening of Saturday and Oct. 21. 500 Temple, Detroit. theatrebizarre.com.