Grumblemon

Grumblemon is an anti-hero from the anime series Digimon Frontier, Grumblemon is one of the successors to the Ten Legendary Warriors and is the Warrior of Earth, the one who wields the Spirits of Earth left behind by AncientVolcanomon.

Personality
Grumblemon is someone with cunning and wits enough to outsmart his opponents, initially seemed to be a simple being, Grumblemon amount of power allow him to get through his enemies, His personality after being purified is more selfless and dedicated in the protection of the digi-world.