Droopy is Dangerous Dan McGoo, a lone gambler, whose only love is the girl they call "Lou", played by Red (from Red Hot Riding Hood).
Billboard Hot 100 | Red Army | Robin Hood | International Red Cross and Red Crescent Movement | American Red Cross | Red Hot Chili Peppers | Red Sea | East Riding of Yorkshire | ''Billboard'' Hot 100 | Red Star Belgrade | Red | Little Red Riding Hood | Detroit Red Wings | Hot Country Songs | Red Bull | Red River | Red Hat | West Riding of Yorkshire | riding | Hot R&B/Hip-Hop Songs | Red Dwarf | International Committee of the Red Cross | Red River of the North | New York Red Bulls | IUCN Red List | Simply Red | Red Wing, Minnesota | Red Skelton | Red Army Faction | Robin Hood: Prince of Thieves |
At the end of the cartoon the cat says: "Well, I can dream, can't I?" Both quotes were used often in Looney Tunes cartoons of this era (like for instance Plane Daffy, Red Hot Riding Hood,...) and are both catch phrases by Jerry Colonna.