He also provides a number of sound-alike portrayals, including Harrison Ford as Han Solo and Indiana Jones on Robot Chicken, Will Ferrell as the titular character in Megamind and Owen Wilson as Lightning McQueen in the Cars franchise.

He ended up booking the role from this first VO audition, after which he officially signed with Pat Brady who, through two talent agencies, would continue to represent him to this day.

In 2000, he gained his first experience in animation voice-over alongside Rob Paulsen and David Sobolov having booked the role of Ray on a former, somewhat obscure CGI-animated web-series entitled Li'l Green Men featured on Warner Bros. former website "Entertaindom."

[1] This was accompanied by other notable performances such as General "Thunderbolt" Ross in the animated series The Avengers: Earth's Mightiest Heroes, Friend Owl in the feature Bambi II, as well as his recurring portrayal as Harrison Ford's Han Solo and Indiana Jones in Robot Chicken along with the Star Wars parodies.

Amidst further various vocal appearances in animation, a few of which include credits on Family Guy, Adventure Time, Phineas and Ferb, Codename: Kids Next Door, The Grim Adventures of Billy & Mandy, Legion of Super Heroes, and Harvey Birdman, Attorney at Law, Ferguson also found a role in Cars Toons: Mater's Tall Tales subbing for Owen Wilson as Lightning McQueen.