Bugs Bunny had been in "Hare-um Scare-um" and as cool and collected as in "Prest-O Change-O". Immediately following on "A Wild Hare", Bob Clampett's "Patient Porky" (1940) features a cameo appearance by Bugs, announcing to the audience that 750 rabbits have been born. The gag uses Bugs' "Wild Hare" visual design, but his goofier pre-"Wild Hare" voice characterization. The second full-fledged role for the mature Bugs, Chuck Jones' "Elmer's Pet Rabbit" (1941), is the first to use Bugs' name on-screen: it appears in a title card, "featuring Bugs Bunny," at the start of the film (which was edited in following the success
Bugs Bunny Scare-um" (1939), directed again by Dalton and Hardaway. This cartoon—the first in which he is depicted as a gray bunny instead of a white one—is also notable as the rabbit's first singing role. Charlie Thorson, lead animator on the film, gave the character a name. He had written "Bugs' Bunny" on the model sheet that he drew for Hardaway. In promotional material for the cartoon, including a surviving 1939 presskit, the name on the model sheet was altered to become the rabbit's own name: "Bugs" Bunny (quotation marks only used, on and off, until 1944). In his autobiography, Blanc claimed