Who is Antarki?
In the novel "Antarki, Superhero of the Americas" he is an ancient demi-god. The son of the god Wiracocha and the goddess Mother Earth.
Who are the other superheroes?
There are many but in the novel's first book, "Clash of the Descendants", we only meet Buho, Colibri, Mono, and Orca.
Who is Araña?
In the novel he was one of the original members of Antarki's Clan but centuries ago he decided to go rogue and has been Antarki's enemy ever since.