Grumblemon (Frontier)

Grumlemon is the Legendary Warrior of Earth, using the power of Anicent Volcamon. An oni digimon, Grumblemon's a proud figure who hates to be bossed around. He was first of the Evil Warriors to surfaced, slide-evolving to Gigasmon. He managed to take Tomoki & Izumi's Spirits. Buit when Takuya first became Burning Greymon, Grumble lost his beast spirit to Takuya & Tomoki resumed his spirit. Grumblemon was eventally defeated by Junpei as Metal Kabuterimon, who scaned his spirit as Izumi regained hers. Grumblemon's human spirit was transfered into Takuya's D-Tector with the beast spirit so Takuya can Hyper-Spirit Evolve to Emperor Greymon.

In Japan, he was named Grottomon.

Abilties
He wears his handmade "Rot Armor" on his person & weilds the 'Grotto Hammer'. He can also dug through solid rock & summon Golemon to his command.

Attacks
Snake Eye Break: He turns his enemies into stone & uses his hammer to destroy them.