Animation Magazine reports that Ken Southworth, a veteran animator who worked for Walt Disney Studios, Warner Bros., Walter Lantz, MGM, Hanna-Barbera, Clokey Prods. and Filmation, has died after suffering several strokes on December 5 at his home in Anaheim, California. He was 89. Ken started his animation career at Walt Disney Studios in 1944 and worked on films such as Alice in Wonderland, Cinderella and Legend of Sleepy Hollow. After comparatively brief stints at Walter Lantz, MGM, Rudy Cataldi Prods. and Sam Sing Prods., he spent more than 21 years animating for Hanna-Barbera where he worked on Huckleberry Hound, The Flintstones, Top Cat, Johnny Quest, Swat Kats, Scooby Doo, The Smurfs, Dino Boy and Space Ghost.