Veteran actor Michael Pataki passed away on April 15. The cause of death was cancer. Variety has his obituary. In addition to hundreds of roles in live-action films and TV series, he occasionally provided voices for animated characters. His longest running role was as George Liquor, which he first portrayed on The Ren and Stimpy Show and later in various web projects for Spumco. He also provided the voice of the Cow in Mighty Mouse: The New Adventures and performed voices in Dexter’s Lab and Batman: The Animated Series.
UPDATE: Ren and Stimpy creator John Kricfalusi has posted a tribute to Michael Pataki on his blog.