One of these creatures hears Perry Lomas ask, “What’s a little death among friends?” before he kills himself in a play about the World War I soldier John Cavan. In another play by the same author, one of these creatures saws a ladder in half and rubs stairs with axle grease. That one of these creatures, who appears after hearing “Always” by Irving Berlin, (-5[1])rigs a car that kills the protagonist’s wife Ruth. In a different play, (10[1])the sentries Marcellus and Bernardo are the first to see one of these creatures. Charles Condomine sees one of these creatures named Elvira (-5[1])after she is summoned by Madame Arcati in a play that draws its title from “To a Skylark.” In the title of a Noël Coward play, one of these beings is “Blithe.” For 10 points, Hamlet sees his father return after death as what sort of being? ■END■ (10[2])