Korak, a fictional character, is the ape name of John "Jack" Clayton III, the son of Tarzan and Jane Porter.
Dust cover of The Son of Tarzan (First edition, 1917), depicting Korak
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.
Tarzan's first appearance, in the October 1912 issue of The All-Story
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.