Four Arms

Obviously Four Arms has four arms. He is the wanted choice most most of the time. But Ben often turns into Grey Matter. Four Arms is a tertamand from planet Khoros.

Wild Vine

This is Wild Vine. Wild Vine is one of Ben's many forms. This plant-like alien can take seeds from his back and use them as smoke bombs. The two bumps by his head can close to form a shield. Wild Vine's tentacles and arms can stretch very far. Wild Vine is tough but he can be delicate.

Be Afraid of the Dark

In the episode "Be Afraid of the Dark," Dr. Victor's DNA gets added to the Omnitrix. (Ben, Gwen, and Max originally fight Dr. Victor in the episode, "The Return.") This is a picture of Ben Victor:

The Underwraps

After Ben, Gwen, and Grandpa Max fought the alien werewolf they fought the alien mummy. At the end of the episode "The Underwraps,'' the mummy grabs the Omnitrix thus causing an alien mummy to pop up on screen. Ben never turns into the mummy in the episode. But in "The Return" Ben does. Here are some pictures of "Ben mummy:"

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Ben Wolf

In the episode "Ben Wolf," Ben fights the alien werewolf. The werewolf scratches the Omnitrix, and then Ben mysteriously turns into an alien werewolf. At first everyone thinks the the alien werewolf is a yanoduci (a yanoduci is a earth were wolf). So when Ben starts turning into Ben wolf Max , (his friends) , Gwen, and Ben try to stop the "yanoduci".
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These are some pictures of Ben wolf:

The Return

In an episode called "The Return," Ghost Freak returns with three minions. If you read my post about Ghost Freak you would think that the minions are the circus freaks, but they're not. Instead his minions are an alien werewolf , an alien mummy, and a weird Frankenstein-like robot. Here are the ghost freak's minions :




This is the alien werewolf. All of Ghost Freak's minions were sent to earth for a certain mission, the werewolf was sent to earth to steal a satellite. All of Ghost Freak's minions had special powers that earth robots, werewolves, and mummy's wouldn't have. The werewolf's special power is the werewolf can shoot sidekick howl out of his mouth.

This is the alien mummy. The mummy was sent to earth to collect rocks not usually found on earth called corotium. I know what you're thinking why go to a planet if what you are looking for is not there? According to Max a meteorite that had corotium in it fell to earth.

The mummy's special power is he can expose living things to the corotium and make them mutants .

This is a picture of all Ghost Freak's minions but I'm focusing on the robot. The robot's name is Dr. Victor. Dr. Victor was sent to earth disguised as a NASA worker. His mission was to steal a rocket. Dr. Victor's special power is that he can transform into a human (Some people also consider his ability to shoot lightning a special power). And, he can generate portals.

Ghost Freak's plan: Of course Ghost Freak's minions didn't do all that stealing for fun! Ghost Freak had a plan. First, they flew high above earth, then they loaded the corotium into a satellite on the ship. When Ghost freak, the mummy, and Dr. Victor were aboard the ship they sent a beam to the satellite . The satellite then spread it all over the world.

Tourist Trap

In the episode "Ben 10,000," Ben 10,000 turns into a megawhatt. In the episode "Tourist Trap," Ben 10 fights an army of megawhatts. When Ben turns into Upgrade, Ben touches the original megawhatt. Then, the megawhatt is downloaded to the Omnitrix. This is a picture of the original megawhatt: