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 in both the 855th Bomb Squadron of the 491st Bombardment Group (Heavy) and later in the 786th BS of the 466th BG(H), both being part of the 8th Air Force operating out of England. In 1944, Bugs Bunny made a cameo appearance in "Jasper Goes Hunting", a Puppetoons film produced by rival studio Paramount Pictures. In this cameo (animated by McKimson, with Blanc providing the usual voice), Bugs (after being threatened at gunpoint) pops out of a rabbit hole, saying his usual catchphrase; after hearing the orchestra play the wrong theme song, he realizes "Hey, I'm in the wrong picture!"