Title: Viktor | Ben 10 Wiki | Fandom
Headings: 
Dr. Viktor
General Information
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Background
Ben 10
Ultimate Alien
Omniverse
Powers and Abilities
Weaknesses
Appearances
Ben 10
Season 3
Ultimate Alien
Season 3
Omniverse
Season 5
Etymology
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Derrick J. Wyatt
Glenn Wong
Dwayne McDuffie
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Content: His green color has returned and his overall design now resembles the one he had in the original series. The right side of his face now has no pupil. He also now has a purple and gold shirt with a black belt. Viktor's human disguise
Personality
In the original series, Viktor was seen as very gruff and serious-minded, though he wouldn't hesitate to get violent whenever he faced off against Ben or his allies. He proved to be very loyal to Zs'Skayr, despite how abusive he was toward Viktor. For example, after he asked why they needed Ben, Zs'Skayr took control of his body and threw him around. In Ultimate Alien, his original personality was not seen as his body was taken over by King Xarion. At this point, he was arrogant, cruel and very condescending, especially toward his son, Prince Gyula . In Omniverse, Viktor's original personality resurfaced after King Xarion's soul was devoured by Zs'Skayr. In gratitude, he re-forged his alliance with Zs'Skayr, though he later betrayed him after learning that Zs'Skayr was planning to resurrect the Vladat race, his people's most hated enemies.