Glen Murakami's Ben 10

Next Chapter of Animated Ben 10 Premieres on Cartoon Network in Spring 2008

Ben 10: Alien Force Finds Ben Tennyson Five Years Older with 10 New Aliens Ben 10:

Alien Force begins the next chapter in the continuing Ben 10 saga five years later when 15-year-old Ben Tennyson chooses to once again put on the OMNITRIX and discovers that it has reconfigured his DNA and can now transform him into 10 brand new aliens. Joined by his super-powered cousin Gwen Tennyson and his equally powerful former enemy Kevin Levin, Ben is on a mission to find his missing Grandpa Max. In order to save his Grandpa, Ben must defeat the evil DNALIENS, a powerful alien race intent on destroying the galaxy, starting with planet Earth. Ben will join forces with other young heroes to save the galaxy and his Grandpa Max, while passing along his knowledge to a whole new generation. The animated series will premiere with a special one-hour episode on Cartoon Network in Spring 2008.

Ben 10 was created by Man of Action (Joe Casey, Joe Kelly, Duncan Rouleau and Steve Seagle), and is executive-produced by Sam Register (Hi Hi Puffy AmiYumi) with supervising producer Glen Murakami (Teen Titans) and story editor Dwayne McDuffie (Justice League). The voice cast includes Yuri Lowenthal as Ben; Ashley Johnson as Gwen; and Greg Cipes as Kevin. Ben 10: Alien Force is currently in production at Cartoon Network Studios in Burbank, Calif.

Cartoon Network (CartoonNetwork.com), currently seen in more than 91 million U.S. homes and 160 countries around the world, is Turner Broadcasting System, Inc.'s ad-supported cable service offering the best in original, acquired and classic animated entertainment for kids and families.

Here's the revised designs of Ben, along with his younger design.
Anyone else think teen Ben looks just like Zac Efron?