Simplify the following text for a Grade 12 native English-speaking person.
Original: The series from which it was adapted was influenced by Asian art , mythology and various martial arts fighting styles and was created by Michael Dante DiMartino and Bryan Konietzko .
Simplified: The series from which it was adapted ( the first season of Avatar : The Last Airbender ) was created by Michael Dante DiMartino and Bryan Konietzko .