Chimchar, the Monkey Pokémon. Chimchar easily climbs the sheerest of walls and lives on mountain tops. When it sleeps, its flames go out.
– Ash’s Pokedex
Chimchar is the Fire starter in DPPt. While Chimchar is pure Fire type, it evolves into Fire/Fighting, just like Torchic a gen before it, and Tepig a gen after it. Chimchar
In the anime, Ash’s rival Paul had a Chimchar. Paul was a jerk, and he was pretty tough on Chimchar. Eventually, Paul deemed Chimchar to be not good enough, and abandoned it. Ash then adopted it as one of his own, and it evolved into Infernape as his Pokemon.
Stat-wise, it has better Offenses than Defenses, and has good Speed.