At the time this was made, Mel Blanc was providing voices for Buck Rogers in the 25th Century (1979).
Chopin's Heroic Polonaise No. 53 opens the film and is heard here and there afterwards.
Gossamer the Martian monster bears a striking resemblance to its earth cousin (who appears in two earlier LT/MM cartoons), right down to the sneakers. But unlike earlier appearances, it speaks in this work.
Marvin Martian still sports his unusual looking costume, including high top sneakers just like Gossamer's.
Acme products are still doing intergalactic business in this short.