Brandon 10: A 10 year old boy who finds a powerful alien device.
Coco: A 11 year old boy who is the best friend of our hero.
Brandon 10,000: A future version of Brandon 10
Coco 10,000: A future version of Brandon 10's best friend
Slug like Aliens: Aliens who take the apperance of slugs
Old Shop Owner: A wise and old shop owner who has knowledge on ancient magic and good discounts
Old lady: Theres always an old lady within a Ben 10 Fan Fiction Series
Paul: A winner in Ocean Land
Cindy: A winner in Ocean Land
Kayla: Brandon's Neice
Sophia: Brandon's other Neice
Cops/Fire fighters/ Amubulence/etc: Somebody call 9 -1 -1
The Conqueror: A Villianous character with the needs to control the universe using the power of the Omnitrix.
The Mutanter: Another Villian attempting to mutant the world into his control.
The Creator: A crazy scientist whom creates evil robots to rule the world.
Extreme Bikers: A group of dare-devil teens and a few adults recking havock on Earth; trying to destory Brandon.
Sourceress: A magic using teenager who casts spells to gain control over the world.
Bounty Hunter: A Bounty Hunter sent to blow up the Earth
Slug Aliens' planet owner: A alien in armor that bullys the slug aliens.
Sea Monster Alien: A monster/alien thats lives in the bottom of the docks protecting him/herself and his/her childern.
Sea Divers: A group of divers who intened to pollute the lake with oil.
The Destroyer: A villian so powerful that it took Brandon 10,000 almost all his power to defeat.
Camo-Man: Another scientist whom gone mad.
Movie Characters: These characters were in the movie in Theater Terror. Since basiclly everything attacked Brandon and Coco in the Movie they are consitered as villians.