Hop, Look and Listen (1948)

Mel Blanc: Sylvester, Bulldog, Hyena, Mother Kangaroo, Hippity Hopper the Kangaroo

Quotes 

• Sylvester : A king-sized mouse! A muscle-bound mastodon!

• [last lines] 

  Bulldog : When you sees mice that big, with two heads, it's time to get on the water wagon!