List of villains in Willard Price's Adventure series

Each novel in Willard Price's "Adventure Series" is notable for its selection of memorable villains, whose actions sabotage the animal-collecting efforts of young adventurers Hal and Roger Hunt. To date, only one villain, the despicable "Reverend" Merlin Kaggs, has appeared in more than one Hunt adventure.

List of villains

{| class="wikitable"
-! Novel! Villain! Notes
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rowspan="3" | "Amazon Adventure"
"Shark" Sands
An unseen character, Sands is a rival animal collector who is believed to be using foul play as a means of beating his competitors.
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Croc
A brutish thug who is hired by "Shark Sands" to sabotage the Hunts' expedition.
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Banco
Hired by Hal Hunt at Iquitos, Banco is a stubborn coward whose foolish actions result in tragic consequences.
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rowspan="2" | "South Sea Adventure"
Merlin Kaggs
Posing as a selfless missionary, Kaggs finds a place aboard the Hunts' boat. Once they have reached the secret pearl island, Kaggs steals the boat, abandoning Hal, Roger and their devoted assistant Omo without any food or water.
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Crab
A lazy spy placed aboard the Hunts' ship by Merlin Kaggs.
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rowspan="1" | "Safari Adventure"
Blackbeard
The cunning, mysterious leader of a major illegal poaching operation in Tsavo National Park. He is later revealed to be none other than Warden Crosby's trusted friend, Judge Sindar Singh.
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rowspan="4" | "Lion Adventure"
Black Mane
A bloodthirsty man-eating lion, responsible for dozens of human deaths.
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King Ku
The Tsavo District Officer; from the moment of the Hunts' arrival, Ku appears to want them dead, forbidding the aid of their safari team in the hope that a man-eater lion would kill them.
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Dugan
The hunter who had previously been employed to kill man-eating lions. Resenting that Hal and Roger have taken his job, Dugan tries various means to discredit the boys and reclaim his position.
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Basa
A young man whose father was killed by Black Mane. He blames the Hunts for his father's death, and so vows revenge. Basa later became their friend after Hal financed a building of a local school which was his dream.