Tarzan is the most important character. He is the main focus of the story. Then there are the apes that raise him, like Kala. And there are the villains too, such as the various human hunters or poachers who come into the jungle and pose a threat.
One of the main themes is the idea of nature vs. nurture. Tarzan is raised by apes in the jungle, yet he has human instincts. Another theme could be survival. He has to constantly fight for his survival in the wild. Also, identity is a big theme as he is caught between being an ape and a human.
One of the main themes is survival. Tarzan has to survive in the jungle all by himself. Another theme is identity. He is a human but raised by apes, so he struggles with who he really is. Also, there is the theme of nature vs. civilization as he has to decide whether to embrace the wild jungle life or the world of humans.
First and foremost, Tarzan. He is the protagonist and the one whose journey we follow. There's Terkoz, an aggressive ape who causes trouble for Tarzan. And Professor Porter, Jane's father, is important as he is part of the group of humans that enters Tarzan's world. These characters together create the complex web of relationships in the story.
Tarzan is obviously the most important character. He is the main protagonist, a man - ape hybrid. Then there's Jane Porter. She is an important human character who becomes Tarzan's love interest. And Kerchak, the cruel ape leader in Tarzan's tribe who is in conflict with Tarzan at times.
One of the main themes is the concept of the 'noble savage'. Tarzan, raised in the wild, has a natural and pure form of humanity. Another theme is survival in a harsh environment. Tarzan has to constantly battle the elements and other dangerous animals in the jungle. Also, there is a theme of identity as Tarzan is caught between his ape upbringing and his human heritage.
One key theme is the idea of survival in the wild. Tarzan has to fend for himself in the jungle from a young age. Another theme is the concept of identity. He is a man raised by apes, so he struggles to find his place between the animal and human worlds.
Tarzan is the main character, of course. He is the man - or rather, the boy - who grows up among the apes. Then there's Jane Porter, an important female character who becomes significant in Tarzan's life.