Tarzan - Untamed - Platform: Gamecube

Jane
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Successfully complete the Terk challenges in world 1 to unlock
Jane in the water skiing or river surfing challenges.

Porter
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Successfully complete the Terk challenges in world 2 to unlock
Porter in the water skiing or river surfing challenges.

Terk the monkey
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Successfully complete the three Terk challenges in the final
levels of the game to unlock Terk.

Ground Tumble trick move
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Successfully complete the Terk challenges in world 1 to unlock the
Ground Tumble trick move for jungle exploration.

Scarecrow trick move
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Successfully complete the Terk challenges in world 2 to unlock the
Scarecrow trick move for the water skiing challenges.

Corkscrew trick move
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Successfully complete the Terk challenges in world 3 to unlock the
Corkscrew trick move for the river surfing challenges.