|First appearance:||"Jamaica Jack's Treasure"|
|Created by:||Michael Tierres & Jaime Vallvé|
Billy Grieves was a friend of the 13th Phantom.
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This list of appearances is considered to be complete, with reservations for the possibility of mistakes.
|"Jamaica Jack's Treasure"||Tierres||Vallvé||1789||first appearance|
|"Mystery of the Crypt"||Reimerthi||Boix||1790|