It's revealed that Owlson hails from Mouseton, which is the hometown of Donald's friend Mickey Mouse.
Bombie is a spoof of the Zombie, and his character design in the series is based off Solomon Grundy from DC Comics. In addition this is Bombie's first appearance in animation as Bombie previously appeared in the Donald Duck and Uncle Scrooge comics created by Carl Barks and was shown as a regular zombie, unlike the version shown here whose design is more golem-based.
The slogan on Louie's phone is "Mo Money No Problems", which is based off the song "Mo Money Mo Problems" by The Notorious B.I.G..
When Scrooge is shinning his shoes, the gorilla talking mentions "Trader Sam's". Trader Sam is the head salesman that offers riders a 2-for-one deal on heads in the Jungle Cruise ride, and Trader Sam's Grotto is a tiki bar at the Polynesian Hotel, both located in Walk Disney World.
The island visited by Louie, Launchpad, Manny, and Owlson has a similar setting to the ones seen in Treasure of the Golden Suns: Three Ducks of the Condor (1987).