Isaiah Ketchum is one of the main characters in The Miraculous Adventure of Tessa and Lunala. He is one of the twin sons of Ulysses and Stephanie Ketchum. His current Pokémon team consists of Keldeo.
Trivia
- His voice actor, Jaden Harmon, is best known for playing Andre in One Tree Hill.
- The name, Isaiah, means Salvation of Arceus.