In the late 70's NBC was airing a version of the "Daffy Duck Show". This special was produced in 1979 for CBS. Daffy Duck character may have been "licensed" to NBC at this time, explaining why he is not in the special at all.
Daffy Duck is conspicuously absent in this special which even features lesser known characters like Bugs' nephew, Clyde, and Petunia Pig.
'Playtoy' magazine was available to the passengers and crew of the airplane delivering the Tasmanian Devil.
Road-Runner (Semper Food-Ellus) - a play on the United States Marine Corps motto: Semper Fidelis (meaning 'always faithful').
Coyote (Grotesques Appetitus)