I never knew there was a "Kayo" beverage before, but I recognize the character as "Moon Mullins" side-kick from the 1930s. A very cool bottle ... got to get me one.
Here's a little more info on him ...
[*]Kayo: Moon's street urchin kid brother, who slept in an open dresser drawer - one of the strip's most iconic images. Pint-sized Kayo (a play on "K.O.", sportswriters' shorthand for a knockout punch) was wise beyond his years, and even a bit of a cynic. His plain-speaking, matter-of-fact bluntness was a frequent source of comedy. Full of mischief and bad grammar, Kayo was usually clad in suspenders and a black derby, and was a good deal more of the ruffian than Moon.
Plus here's your "Kayo Club" pin for being such a valuable member on A-B.net. []