Ratigan

Professor Padraic Ratigan is the primary antagonist of ''The Great Mouse Detective. ''He is a rat and a crime lord, and the leader of a group of thugs consisting mostly of mice but also including a frog. He has a pet cat named Felicia, who he feeds mice to if they displease him. His main henchman is Fidget the Bat. Even though he is a rat, he hates being called one, instead preferring to be called a large mouse. He is voiced by Vincent Price.

The Great Mouse Detective
Ratigan was the arch-enemy of Basil of Baker Street the detective, and for years they have fought each other and Ratigan has been able to escape from Basil's grasp. Ratigan has now cooked up another scheme, and orders Fidget to kidnap Hiram Flaversham the toymaker, and he was brought to Ratigan's lair and was forced to build a robotic copy of Queen Mousetoria, ruler of Mousdom. Ratigan's plan was to use the robot to name him king of Mousdom while the real Queen was fed to Felicia. When Hiram refused to take part in the evil anymore, Ratigan blackmailed him by threatening to kill his daughter Olivia, forcing him to complete the robot. Ratigan then orders Fidget to steal nutcracker suits from the toystore and gives him the list of things to steal. After Fidget leaves, Ratigan reveals his plan to his other minions of overthrowing Moustoria and ruling Mousdom. Shortly after, he feeds his minion Bartholomew to his cat Felicia for calling him a rat.

Fidget returns with Hiram's daughter Olivia, but informs Rtigan that Basil tried to stop him. Ratigan calls Felicia to eat Fidget, but comes up with a plan to defeat Basil and orders Felicia to spit Fidget out. He puts his plan to defeat Basil into motion and lures Basil to a bar, where he sees Fidget. Basil and Dawson chase the bat and run right into Ratigan's trap. He ties them to a mousetrap, where he has constructed several deadly weapons there that will kill them and then snap a photo of their dead body. He leaves them to die with his robot of Moustoria. His minions kidnap the queen and the robot speaks to the crowd and names Ratigan the ruler, with Hiram speaking behind the curtains. Unknown to Ratigan, Basil, Dawson and Olivia escape and rescue Moustoria and they subdue Ratigan's minions and expose him. Ratigan and Fidget escape with Olivia and are chased by Basil as well as well as Dawson and Hiram. During the chase, Ratigan throws Fidget off his balloon and and he, Basil, and Olivia crash into Big Ben. Inisde, Ratigan fights Basil and Olivia, and he knocks Olivia onto the other gears. Basil rescues her and run away with Ratigan chasing after them. He tackles Basil and savagely attacks him, slashing him with his claws. While he attacks, Big Ben's bell tolls and he and Basil fall off Big Ben. Basil saves himself while Ratigan falls to his death.