Original: Later , popular additions to the cast included the brash , cynical and grumpy Captain Haddock , the bright but hearing-impaired Professor Calculus ( Professeur Tournesol ) and other colourful supporting characters such as the incompetent detectives Thomson and Thompson ( Dupond et Dupont ) .
Simplified: Other popular characters include Professor Cuthbert Calculus ( Professeur Tryphon Tournesol ) an absent-minded and deaf scientist and inventor , and Thomson and Thompson ( Dupond et Dupont ) , two silly detectives .