 Lowenthal said that he did not realize how popular the show was outside North America until he went to Australia, England and Ireland, and saw kids wearing "Ben 10" merchandise.He also said that at comic conventions, he was able to walk the halls unbothered until the "Ben 10" panel, after which he was "outed".Lowenthal has also been involved in "The Swan Princess" direct-to-video series starting in 2012 with "The Swan Princess Christmas" where he was the voice of Prince Derek, and then in 2014 with "" and in 2016 for "" where he reprised the main role.