Grovyle

Grovyle is a character in Pokemon Mystery Dungeon: Explorers.

Overview
At first, Grovyle is described as a villain, for stealing Time Gears. But, he is actually good, trying to prevent the Planet's Paralysis in the future.

History
At the beginning of the game, he goes to the past with you (as a human), except Grovyle and you got separated when Darkrai attacked you. He decides to get the time gears on his own.

You, not knowing Grovyle was your original partner, you and your current partner track him down and try to stop him. You meet him at Quicksand Cave, but fail to stop him. Later, you battle him at Crystal Lake, you finally defeat him, but he gets up like nothing happened, and knocks your partner and you out, but due to Azelf guarding the Time Gear, he fails to get the last Time Gear for his mission.