This cartoon features many different caricatures of then famous celebrities. Among the likes include Jack Benny, Eddie Cantor, Irwin Cobb (Irwin Frog), Bing Crosby (Bing Crowsby), W.C. Fields (W.C. Fieldmouse), and many others.
KUKU is the name of an actual FM radio station based in Willow Springs, Missouri.
This is one of the handful of pre-1948 shorts that air on the Turner networks using their Associated Artists Productions prints after 1995, minus the AAP opening, although a dubbed version does exist, which airs from time to time. For some reason, the LaserDisc print has the opening shield zoom cut off, but the music still plays.