What is toy story sid dog?

Scud is the pet dog of Sid Phillips, the main antagonist in the first Toy Story movie. Scud is portrayed as a vicious bull terrier who terrorizes Andy's toys and is trained to fetch and destroy. He is often seen accompanying Sid on his mischievous endeavors, such as blowing up toys with firecrackers. In the climax of the movie, Scud is lured away by Buzz Lightyear and captured by Andy's dog Buster, allowing the toys to escape and defeat Sid.