Pocket Monsters HGSS - Jou's Big Adventure is an one volume Pokémon manga based off of Pokémon HeartGold and SoulSilver.
The manga tells the adventure of a boy named Jou as he goes on a Pokémon adventure with his Totodile. It follows the game's plot—beginning with Jou getting his starter from Professor Elm and ending with him battling Red on Mt. Silver.
Jou's Big Adventure was only released in Japan and Thailand.
This manga provides examples of:
- Adaptation Name Change: "Hibiki" becomes "Jou".
- The Cameo: Most of the Kanto Gym Leaders appear in the fifth chapter as part of an image. Likewise, Red appears when Blue tells Jou about Red and then at the end of the final chapter.
- Cute Little Fangs: Jou has fangs to go with his Hot-Blooded nature.
- Green Thumb: Tsubaki's Chikorita-Meganium.
- Making a Splash: Jou's Totodile (who later evolves into Feraligatr) and a Red Gyarados.
- Mythology Gag: Red's Pikachu rides on his shoulder just like Ash's Pikachu.
- Named by the Adaptation: The unnamed rival from the games is "Tsubaki".
- Offscreen Moment of Awesome: Some of the battles are never seen namely Jou against Blue (except for the ending), and Jou's battle with Red.
- Real Men Wear Pink: Tsubaki's starter and only known Pokémon is his Chikorita, an effeminate looking grass type. It later involves into an even more girly looking Meganium.
- The Rival: Tsubaki is Jou's Pokémon battling rival.
- Signature Mon: The Totodile line for Jou and the Chikorita line for Tsubaki. As a matter of fact, neither of them catch any Pokémon!
- Shonen Hair: Jou has a huge, angular cowlick poking out of his hat.
