Frontier Brain/Manga

Pokémon Adventures
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.

Pokémon Battle Frontier
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.

Pokémon Diamond and Pearl Adventure!
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.