For his uncle who owns Decade Records, see Mr. Decade.
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Needed: Physical appearance; clothing.

Ace Decade is the nephew of the owner of a music studio.

Physical appearance

Ace is a Caucasian male, with dark brown hair, and wears glasses.


Ace Decade is disloyal, sneaky, jealous and conniving.


The Scooby-Doo Show

Season three

Ace Decade unmasked

Ace unmasked.

Decade was smuggling records out of the studio in trash cans in order to sell them for personal profit. When a music writer, Tony Synes, realized his actions, Ace disguised himself as the Phantom and kidnapped Synes, locking him in a cupboard in the cafeteria.

Decade attempted to mislead the gang whilst they attempted to solve the mystery, leading them to a tape recorder wired to the intercom in his office in order to give the appearance he was being framed. However, Synes left a clue, which was his ultimate downfall; his last piece of music spelled the culprit's name in the first three bars: ACE DEC ADE.


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