X-Pac packed Pac’s backpack with knick-knacks, Tic Tacs and other bric-a-brac in back-to-back prank attacks back in Hackensack. 

The prank attack was a comeback for Pac’s sad-sack hack of X-Pac’s Mac, on which X-Pac had a knack for Pac-Man. 

“That’s wack,” said Pac, taken aback at X-Pac’s slapback. 

The packed-backpack prank dates back to the Outback Jack and the Blackjacks — and even Cactus Jack practically hijacked Rodney Mack’s rucksack.  

We will continue to follow this story as it continues to not develop.