He nearly always [[Rhotacism (speech impediment)|vocalised consonants [r] and [l], pronouncing them as [w] instead]] (a trait that also characterized Tweety Bird) when he would talk in his slightly raspy voice. This trait was prevalent in the Elmer's Candid Camera and Elmer's Pet Rabbit cartoons, where the writers would give him exaggerated lines such as, "My, that weawwy was a dewicious weg of wamb." to further exaggerate his qualities as a harmless nebbish. The writers often gave him lines filled with those letters, such as doing Shakespeare's Romeo as "What wight thwough yonduh window bweaks!" or Wagner's Ride of the Valkyries as "Kiww the wabbit, kiww the wabbit, kiww the wabbit...!" or "The Beautifuw Bwue Danube, by Johann Stwauss", Stage Door Cartoon's line "Oh, you dubbuh-cwossing wabbit! You tweachewous miscweant!" or the name of actress "Owivia deHaviwwand".
