One of the best additions to the Ben 10 franchise. Rook Blonko is arguably one of Ben's best allies who serves as a stark contrast to Ben's personality.
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#4
Suggested by
Jeff Ratheal
Kevin Levin
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#5
Suggested by
Jeff Ratheal
Professor Paradox
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jjdumpit
5 years ago Report
Professor Paradox is one of the more suave and peculiar characters of the franchise and is up there with Azmuth and Max as one of Ben's life teachers and guiding light.