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Huntor, or a similar looking character, is a bounty hunter who appeared in Episode VIII: Jack versus Mad Jack. His appearance looks similar to the Imakandi's, although he is not likely a member of the tribe.
In truth, his name was never revealed in the Samurai Jack series, but he looks completely the same like the character from Dexter's Laboratory series, so the character's name seems to be obvious, but at the same time it was given also for the purposes of the article.
In Dexter's Laboratory
Huntor is presumed to be the same character who appeared in the Dexter's Laboratory episode "Huntor". There he refers to himself as "the greatest hunter in the universe" and hunts rare animals across the universe. He utilizes various weapons, such as his trusty alien (or possibly robot) mount Snorkdro, heat-seeking moisture missiles, an ampliphaser, a powerful force field, a negative ion blaster, "good old-fashioned" lead bullets, a Monkey Emission Sensor (or EMS), and a big gun that is easily twice his length, complete with a massive scope and harpoon launcher.
In Samurai Jack
In "Episode VIII: Jack versus Mad Jack," Huntor appears atop his mount Snorkdro, who appears to be replaced with a robot facsimile (assuming the original was in fact an alien). His gun also appears different from the dozens of weapons he wields in Dexter's Laboratory.
When he first appears, his strategy is to shoot energy beams from his gun while riding Snorkdro, however the beams are easily deflected by Jack's sword, one of which hitting him and knocking him to the ground. His next strategy is to have Snorkdro trample Jack, but Jack simply raises his sword and slices Snorkdro's belly open, causing the robot to explode. Huntor then gets scared, making a cat-like noise and running off much like he did at the end of the Dexter's Laboratory episode.
It is unknown how the past Aku's destruction affected his existence.
In Battle Through Time
Huntor, without Snorkdro, appears in Samurai Jack: Battle Through Time as part of a reoccurring enemy type called "Bounty Hunters". There are several different types of Huntor-based Bounty Hunters, each with their own different color schemes and types of guns, which the player can take by defeating them with bare-fisted throws. They all can occasionally whip out bazookas, which the player can't obtain, and fire them at Jack. With proper timing, the player can deflect their bazooka shots back at them.