First introduced at Jubilife City, he, and his partner Diamond wins the Judges' Special Merit Prize. When leaving the Grand Prix, Prof. Rowan's envelope gets mixed up with the two boy's grand prize, accidently making them unknownly accept the mission to guard Platinum on her journey to Mt. Coronet. Pearl and Dia believe they are on a reality show, while Platina, known as "Missy" at the time, think of them as her bodyguards.
Both Dia and him had fought and almost broke their friendship because, from what Dia said, he is always treated unfairly.
Chatler, like his trainer, is impatient, very quick, and easy to irritate. His nature is hasty, always getting carried away easily. He is Pearl's first Pokemon in the mangas.
Chatler's known moves are Chatter, Mirror Move, Pluck, Fury Attack, and Arial Ace.
Chimler can be very lazy, with a naughty nature. He likes to race.
Chimler knows the moves Ember, Flame Wheel, Mach Punch, Overheat, Fury Swipes, Close Combat, Focus Punch, Flare Blitz, and Flamethrower.
Rayler is Pearl's Luxray. He has a brave nature, and is very shrewd. Currently at lvl. 60.
Knows the moves Shockwave and Discharge.
Zeller is Pearl's Buizel. Has an Adamant nature, and likes to be violent.
None of Buizel's moves are known.
Digler is Pearl's Diglett. Currently at lvl. 48, he has a Bashful nature.
Digler's only known move is Earthquake.
Tauler was caught, along with Digler by Pearl to complete his team. Tauler has a Jolly nature.
None of Tauler's moves are known.
He with Diamond, are both comedy duo's in the story.
Pearl is the 3rd boy in the Adventure series to have a girl's name. (Along with Ruby and Emerald.)
In the anime he is known as Barry.
He knows what a Pokemon's move is by its stance.
Diamond and Pearl Chapter
Diamond and Pearl friends again after their argument.