Frank Welker
Fred Jones
/
Scooby-Doo
/
Barty Blake
/
The Freak
/
Char-Gar Gothakon
/
Cicada Creature
/
Cletus Darrow
/
Dynomutt
/
Gnome
/
Green Humongounaut
/
Jabberjaw
/
Man Crab
/
Manticore
/
Monstrous Freak
/
Mr. Peaches
/
Nibiru
/
Nightfright
/
Pig Monster
/
Scooby the Seal
/
Speed Buggy
/
Valdesh Helgenjew
(52 episodes, 2010-2013)