VIDEOS:
Scooby-Doo meets Monkey Island
In one of the endings of "M:I-2: LeChuck's Revenge", a parody of "Monkey Island 2: LeChuck's Revenge" created by Chris Ushko, the zombie pirate LeChuck turns out to be a masked goon, and Wally B. Feed says "Rooby-Dooby-Doo".
Example of:
Spoofy-Doo