Frontier Brain

A Frontier Brain (Japanese: フロンティアブレーン Frontier Brain) is a Pokémon Trainer who presides over a certain Battle Frontier facility. Frontier Brains appear in, ,. Those from Hoenn hand out Symbols to Trainers who rise through the ranks and show true skill in each of the facilities, while those from Sinnoh and Johto hand out commemorative prints for the same reason.

In the anime
The Frontier Brains were first mentioned by Scott in The Scheme Team when he told about the. The first Frontier Brain, Noland, debuted in Numero Uno Articuno. Over the course of the ninth season, the other six Generation III Frontier Brains also made their appearances at their respective facilities. Brandon reappeared in the episodes A Pyramiding Rage! and Pillars of Friendship!. Scott also inferred that they were at least at the level of the Elite Four member Agatha, as both he and Agatha recommended that Ash challenge them shortly after his fight with her.

Palmer is the only Generation IV Frontier Brain to have appeared in the anime, debuting in Historical Mystery Tour!. In the next episode, Ash battled Palmer at the Twinleaf Festival, but was defeated. Palmer also made cameo appearances in Arceus and the Jewel of Life and Zoroark: Master of Illusions.

In the Pokémon Adventures manga
The Hoenn Frontier Brains were important characters in the, where they were challenged by in a seven-day challenge to defeat each of them at their own facilities. They also helped to fight against the armored villain named Guile Hideout, who was after the Wish Pokémon,. They reappeared in the, helping to stop the Admins of Neo Team Aqua and Neo Team Magma.

The Sinnoh Frontier Brains appeared in the, where each of them, save Palmer, were challenged by. While Palmer was not battled by Platinum, he assisted the Sinnoh Pokédex holders and the Stat Trainers in the final battle against Team Galactic in the Distortion World.

In the Pokémon Battle Frontier manga
battled each of the seven Frontier Brains in the, although his battles with Noland, Greta, and Brandon occurred off-panel. He managed to defeat six of them, but eventually tied with Anabel.

In the Pokémon Diamond and Pearl Adventure! manga
Palmer is the only Frontier Brain to appear in the Pokémon Diamond and Pearl Adventure! manga, debuting in Look for Giratina!, where he was encountered by Hareta, Mitsumi, and at the Fight Area.

Trivia

 * The title of "Frontier Brain" was given to the top performers in the Pokémon Emerald Ultimate Frontier Brain Battle.