This was announced by his son James Brassack on his Instagram :
– My father loved to make people laugh, and I am very grateful that his legacy lives on thanks to the many cartoons that he wrote and made. If you like cartoons, watch one of the series “Pinky and Brain” or “Mischievous animations” and laugh in his honor. I know that he would like it
The screenwriter died in Los Angeles after a long struggle with the disease, clarifies the publication The Hollywood Reporter .