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The original series, Scooby-Doo, Where Are You!, was created for Hanna-Barbera Productions by writers Joe Ruby and Ken Spears, CBS executive Fred Silverman, and character designer Iwao Takamoto. Hanna-Barbera produced numerous spin-offs and related works until being absorbed in 2001 into Warner Bros.
Personality Scooby-Doo and Shaggy Rogers share several personality traits. They both like to eat a lot of food; they justify this by saying "Being in a constant state of terror makes us constantly hungry!". But their friends (Velma, Daphne and Fred) encourage them to go after the costumed villains with "Scooby Snacks", a biscuit-like dog treat or cookie snack (usually shaped like a bone or Scooby's dog tag, and, mentioned in the first Scooby-Doo film, is vegetarian), although sometimes, Scooby Snacks won't work on Shaggy, so he may have to be tempted with two Scooby Snacks
Appearance Scooby is brown from head to toe with several distinctive black spots on his upper body. He is generally a quadraped, but displays bipedal 'human' characteristics occasionally. He has a black nose and wears an off-yellow, diamond shaped-tagged blue collar with an "SD" (short for Scooby-Doo) and has four toes on each foot and unlike other dogs, Scooby only has one pad on the sole of each of his feet (so that it was easier to draw in the Scooby-Doo Annuals). According to the official magazine that accompanied the 2002 movie, Scooby is seven years old (forty-nine in dog years) and is a Great Dane.