Cavanaugh also voiced characters like Oblina in Aaahh!!! Real Monsters and Dexter from Dexter’s Laboratory.
Cavanaugh's cause of death was not released.
Mark J. Terrill / AP Photo
Besides voiceover work, Cavanaugh also had live-action guest roles on Salute Your Shorts, Cheers, The X-Files, and ER, as well as appearances in the films Jerry Maguire and Soulmates.
