Fidget the Bat

Fidget  is a peg-legged bat and was the secondary antagonist in Disney's 1986 feature film The Great Mouse Detective. He used to be Professor Ratigan 's right-hand man. He was voiced by  Candy Candio. He becomes Olivia's sidekick in a 2007 comic story, similar to Dawson  being Basil's  sidekick.