Zack is the main protagonist of Zack & Wiki: Quest for Barbaros' Treasure. He is a chocolate-munching member of the Sea Rabbits, who agrees to find the missing skeleton parts of the pirate Barbaros in exchange for the legendary ship.
Zack's companion on his adventures, Wiki is a magical flying golden monkey. He can change into a bell which Zack can use to tranform enemies into items.
- Zack's likeness appears in the game We Love Golf! as an unlockable cosplay outfit for Leo.