Hot Gwen Tennyson X Ben 10 on Instagram: "Do you know Ben 10 Cartoon? "Ben 10" is owned by Cartoon Network, which is part of Warner Bros. Discovery. The show was created by "Man of Action" (a team of writers and artists) and first premiered in 2005. "Ben 10" is an animated television series that follows the adventures of a 10-year-old boy named Ben Tennyson who discovers a mysterious device called the Omnitrix. This device allows him to transform into various alien species, each with its own uni