Dee Bradley Baker has squawked, snarled and squeaked his way through so many jobs that he relies on his Internet Movie Database page to keep track of them. Even that’s not always right, since his career spans hundreds of movies, TV series and video games over the last three decades. “I was never involved with the live-action ‘Last Airbender’ movie, and I was never involved with ‘Frankenweenie,’ ” Baker said as he scanned, at The Denver Post’s request, some of his credited roles.