They go by the name "Mystery Inc." the members are: Fred Jones Daphne Blake Velma Dinkley Scooby Doo Shaggy Rogers Also, they are known as "The Scooby-Doo Detective Agency" in … Velma is very good with computers and reads lots of books, which are the reason she's scared of clowns after a clown on her birthday party cut all her books (back in the childhood)! Velma has solved the wrong mystery only once (with the Centaur) because she didn't know the villain behind the mask.