Mario Williams

Mario Williams is a character designer, model designer, writer, and boom operator. He worked for Hanna-Barbera.

TV series

 * A Pup Named Scooby-Doo - character design (season 2)
 * 301(a). Night of the Boogey Biker - character design
 * 301(b).Dawn of the Spooky Shuttle Scare - character design
 * 302. Wrestle Maniacs - character design
 * 303. Horror of the Haunted Hairpiece - character design