Snoopy, for one, is a fictional character from the comic strip Peanuts created by Charles M. Schulz. He is an anthropomorphic BEAGLE who is best known for his mischievous and imaginative thoughts. Snoopy is a lovable DOG who is often seen sleeping on top of his doghouse. He is also known for his friendship with Charlie Brown and his rivalry with the cat next door. The crossword solutions for Snoopy, for one are DOG (3 letters) and BEAGLE (6 letters).