How old is Ben in 'Ben 10'?

"It's Hero Time" 10-year-old Ben is voiced by Tara Strong in the original Ben 10 series which aired from 2005 to 2008. She would later return as 10-year-old Ben in Ben 10: Ultimate Alien, in the episode "The Forge of Creation" and reprises her role as Ben at age 11 in flashback episodes of Ben 10: Omniverse.

Who is Ben on 'Alien X-Tinction'?

Lowenthal returns in the 2016 reboot cameoing as an elderly Ben in the episode "The 11th Alien: Part 2", and later returns to voice the aforementioned 15 and 16-year-old counterparts of Ben in "Alien X-Tinction". Adult versions of Ben have also been featured over the course of the five series, referred to as "Ben 10,000".

How does Ben develop as a character?

Despite his childish attitude, he was heroic, caring, and good-natured, always willing to save others. Over time, Ben develops as a character as he becomes more mature and takes on the role of a hero. He has displayed leadership skills and the ability to adapt to a situation, such as when the Omnitrix provides him with the incorrect alien.