Phil LaMarr is a veteran voice actor who is best known for his small, but memorable role as Marvin in Pulp Fiction. He has provided his voice on Futurama, Static Shock, Foster's Home For Imaginary Friends, Family Guy, King of the Hill, Samurai Jack, and various other shows.
On Grim Adventures, he voices Hector Con Carne, Irwin's Father, Dracula, Grandmama, and Judge Roy Spleen