William Callaway is an American voice actor. For Hanna-Barbera, he did the voice of Aquaman in Super Friends, Clumsy Smurf in The Smurfs (starring Don Messick) and Square Bear in Help!... It's the Hair Bear Bunch! (co-starring Daws Butler, John Stephenson, Joe E. Ross and Paul Winchell).
Voice roles[]
TV series[]
Scooby-Doo and Scrappy-Doo (first series)[]
- Main article(s): Scooby-Doo and Scrappy-Doo (first series)
| Episode | Role |
|---|---|
| 113. Rocky Mountain Yiiiii! | Will Henry Pratt/ Ghost of Jeremiah Pratt |
| 114. The Sorcerer's a Menace | Morgan the Magician/ Ghost of the Great Haldane |
TV films[]
Scooby-Doo Meets the Boo Brothers[]
- Main article(s): Scooby-Doo Meets the Boo Brothers
| Role |
|---|
| Billy-Bob Scroggins Beauregard's Ghost Ape Floating skeleton Headless Horseman |