The Creature from Shadow Realm

Summary
The Creature from Shadow Realm (闇の世界の生き物, The Creature from Dark World) is the true main antagonist of 4Kids arc on Deviantville series which its debut Season 1 OVA as Kahn's guardian since 4Kids still running on the production.

Bio
When Alfredo D. Kahn's reality has been ruined because of 4Kids entertainment's bankruptcy for Chapter 11 of Yugioh anime series license, He enters into virtual world and build 4Kids Entertainment building into Deviantville, hire some employees and make some anime/cartoon dubs and broadcast on TV.

Prior to "Deviantville vs 4Kids" OVA, It has been created along with the Shadow Realm (闇の世界, Dark World) by 4Kids as their guardian to sent the dead people into its realm.

In "Deviantville vs 4Kids", "Deviantville OVA: 4Kids Strikes Back", and "Deviantville OVA: The Wrath of 4Kids", Kahn mentions it for its home, its behavior, etc. to Arnold's crew for the ultimate power while it appears constantly

In "Deviantville: The Movie", The Creature from Shadow Realm itself has been summoned by Kahn as his escape plan with villains' crew which Arnold's crew have being encountered before because of his zombie army have gone yet to Shadow Realm for their hideout. The Creature from Shadow Realm itself transforms into more humanoid like creature after Kahn and the villains' crew defeat. Because of this, he has escape into Planet Internet to destroy every country by, going into Youtubeville, Googleville, Twitterville, Facebookville, any -ville on it, hacking and turned into large country named 4Kidsville, command all of innocent people into prey on it, armies of Arnold's crew from all universe are trying to finish it but the time still spent longer.

After its defeat, the hacked "Planet Internet" has been returned into normal again and the 4Kids/parasite building (4キッズ/寄生虫の建物) on Deviantville has been destroyed, turned into an unnamed office building, Kahn himself dies on virtual world and can't back to the real world while the villains' crew has been eliminated. Arnold's crew are the heroes of Planet Internet afterwards.

Appearance
The Creature from Shadow Realm has many appearances depending of its form. In "Cloud Form", it has purple cloud and black hole on its hideous invisible body which resides on Deviantville's sky, when anyone touches it's hole, the thunders attacks on anyone for 5 minutes. In "Insect Form", it has weevil's body shape, wasp's mouth, moth's antenna, cockroach's eyes, butterfly's wings, earwig's abdomen and ladybug's skin motif.

In "Human Male Form", it has a combination between Arnold's and Leopold's hair, hideous face, glowing red eyes, purple gloves, black wristbands, dark gray jeans, B letter, red and white checker motif, black background, AGK: FM ver. of Leopold's shoes, purple aura and claws on its hands, while in "Human Female Form", the appearances dons the "Human Male Form" but there are some exceptions which

In "True Form", The Creature from Shadow Realm itself turned into a mutated Mickey Mouse, Sonic the Hedgehog, Pikachu and Crash Bandicoot like appearance with its a pair of horns, 666 number, pentagram, evil grin, glowing red eyes and devil wings.