Dragon*Con is for just about everything. It has tracks for dozens of different topics, including science, robotics, Tolkien,
Star Wars, anime, skeptics, tech, cartoons, puppetry...and voice acting. There's a whole track just for that. It's had other non-fantasy VAs such as Billy West and Maurice LaMarche. Shoot, in one panel an audience of hundreds learned how to do the Spongebob laugh! If you were to come, you'd fit right in. 'Specially with some of us in the puppetry track.