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 (-5[1])Berlin, rigs a car (-5[1])that kills the protagonist’s wife (10[1])Ruth. In a different play, the sentries Marcellus and Bernardo are the first to see (10[1]-5[1])one of these (10[1])creatures. (10[2])Charles Condomine sees one of these creatures named Elvira after she is summoned (10[1])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 (10[1])his father return after death (10[1])as what sort of being? ■END■ (10[2])