Draco is, indeed, a dragon; but he's not scary at all. In the enthusiastic style of him, he learns in each chapter a pair of opposite words, for example: open-closed, high-low and more.
The rights to Captain Pugwash were purchased by The Britt Allcroft Company, which since 1997 has issued a number of digital and part computer-animated cartoon films based on the Pugwash character, set on the island of "Montebuffo", "somewhere in the Spanish Main". Peter Hawkins did not provide the voices, HIT Entertainment instead employing a full cast with James Saxon in the title role.