Pellucidar is a fictional Hollow Earth invented by American writer Edgar Rice Burroughs for a series of action adventure stories. In a crossover event, Tarzan, who was also created by Burroughs, visits Pellucidar.
Painting of a "thipdar" for the cover of At the Earth's Core (1922), by J. Allen St. John
Illustration of a "dyryth" from At the Earth's Core (1922), by J. Allen St. John
Tarzan is a fictional character, a feral child raised in the African jungle by the Mangani great apes; he later experiences civilization, only to reject it and return to the wild as a heroic adventurer.
Illustration by James Allen St. John for Tarzan and the Golden Lion
Tarzan in a display at an Ankara amusement park
Tarzan's agility, speed, and strength allow him to kill a leopard in 1921's The Adventures of Tarzan.