Tweet   You gotta hear Martha’s stories.  She only started spilling them last year. Martha Sigall worked in animation from 1936 until 1989. In 2003, she won a Lifetime Achievement Annie Award. She speaks to conventions and groups. The Cartoon Network has not shown Speedy Gonzales since 1999 because of concerns that he portrays hispanics in a bad light. However, the Cartoon Network Latin Americ More..a airs the speedy mouse to the delight of viewers.