Dario is a Caucasian male with orange hair. He wears a business suit and a red tie.
While acting superficially gracious, he was clearly nervous to have the famous detectives looking around in his hotel.
Scooby-Doo (DC Comics)
His hotel was hosting an Alvin Parsley impersonation contest as part of the tenth anniversary of his disappearance when the King suddenly showed up. Mr. Badalamente was a possible suspect to be behind this appearance, since the publicity might benefit his hotel, but he turned out to be innocent.