Disney The Great Mouse Detective (1986)
Basil, the rodent Sherlock Holmes, investigates the kidnapping of a toy maker and uncovers its link to his archenemy, Professor Ratigan
A Challenge for Robin Hood (1967)
Robin, a young Norman nobleman, is falsely accused by his cousin of murdering another cousin His accuser is actually in league with the corrupt Sheriff of Nottingham to seize control of the family lands, which Robin would inherit