Ben Tennyson (Earth-68)

This is the Ben 10 that appears on Earth-68, the universe owned by Dioga beta. He's appeared in the John Smith 10 franchise, Jane Smith 10 and the movie special Little Red Headed Girl.

Dimension 10 (John Smith 10)
This Ben 10 appeared in his home dimension, which is an exact copy of the canon dimension. Ben appears and fights with John Smith when he appears in his fight against Gaia. During this time, he becomes jealous of John's prowess and purity, and is taken over by Gaia. The two work together and stop Gaia once and for all.

Appearances

 * A Little Like Home
 * Incursion (John Smith 10)
 * Knights of the Earth
 * Vilgax's Power
 * Cloud of Shadow
 * Malware's Revenge
 * Omni War
 * Gaia (episode)

Dimension 3 (Jane Smith 10)
This is the dimension where Ben is most prevalent in. He is the captain and goalie of the Bellwood High soccer team. He is a love interest to Jane Smith, who wields the Omnitrix. His powers and abilities are a combo of Gwen's and Kevin's. He can use mana, possessing the spark, while he uses it in close combat situations like Kevin does, creating mana weapons to attack with.

History
When Jane was walking in the rain, in a depression, he sheltered her with an umbrella and got her food. He instantly tried to woo her, acting like his comedic self. The two are attacked by Volug, where Ben and Jane show off their powers to each other, respectively. Jane decides to take a break from her boyfriend, Michael Morningstar, she instantly clings to Ben, wanting to be with him. When Jane goes missing, he volunteers to help Lucy find her.

The three of them are hanging out one day, when they are attacked by the Vreedle Brothers. This incident causes Ben to be hit by a car, and is hospitalized.

Appearances

 * Side Effects (Jane Smith 10)
 * Catfight (Jane Smith 10)
 * Call of the Wolf
 * Absolute Power Part 1 (Jane Smith 10)

Dimension 720 (Little Red Headed Girl)
Ben 10,000 appears as the Omnitrix wielder in this dimension. He is the father of Samurai, the main protagonist of the movie. He is attacked by Dalek Malware, and then killed by Glacia.

Trivia

 * His appearances in series are limited due to him being in dimensions where he wields the Omnitrix.
 * Jane Smith 10 is the only series he appears without the Omnitrix.