In the Spanish theatrical dubbed voice over, Jack Rackham and Sara Lavrof are voiced by Miguel Ángel Jenner and Michelle Jenner, who are father and daughter in real life.
The bird Belzoni never talks, but he is capable to communicate using show-bill. It's a nod for infamous Wile E. Coyote (Looney Tunes' character who prosecuted Road Runner), who either never talked but used show-bill to talk to camera.
Unusually for a cartoon character, Tad's stubble grows through the movie
Mummy's name never is revealed throughout the movie.
In the greek dubbed version, the surname of Tad has changed from Jones to Stones.