This article is about Joe's friend. For Tsurugi's brother, see Jack. For the pet dog, see Jack (GTLW).

Jack is one of the hunting dogs owned by Ninomiya. He lives together with Joe, Bomb, Guilder and Kōshirō.



Ginga Densetsu Weed

One day in the forest, Jack meets Joe's brother, Weed, along with the rest of his pack mates. Together they scare off a bear threatening to kill them.

Later, Jack and his packmates are out to find a bear that has attacked a human. As they climb a rocky ledge of a mountain, they are bombarded with rocks. The bear (Hybrid Grizzly Bear) is waiting on top of a cliff, pushing rocks down at them. His pack leader, Joe, is seriously wounded by the bear.

Later on, another fight where Weed's pack and Joe's pack are battling Hybrid Bear occurs. As Jack enters a fight with Guilder to take down Hybrid bear, he gets crushed as the bear smashes its paws down on him.

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