When all the credits have finished some jazz drumming is heard. Then the familiar sounds of The Mask are heard saying "Yo-ho-ho-ho" (in a very drawn voice) then the sound of The Mask spinning away is heard straight after.
The film title appears when the Mask is released from its underwater chest and floats to the surface.
When the end credits finish, the film's title logo also appears
(VHS): After the movie's over, Space Ghost from Cartoon Network makes an appearance explaining he liked the movie and interviews the director and Jim Carrey. After that, there's a Ghostplanet.org ad with spaceship beeping sounds