Mr. Ages is an old wise mouse and a major character of The Secret of NIMH. and a supporting character in The Secret of NIMH 2: Timmy to the Rescue. He is a loner who doesn't like visitors and he is shown with a light blue cast on his leg. It is revealed in the sequence where Nicodemus shows Mrs. Brisby the past that he was with Jonathan in the laboratory.
He was voiced by the late Arthur Malet, who reprise his role in the sequel.
Mr. Ages is a small white mouse who primarily prefers to be left alone. He was one of the mice and rats who managed to escape the NIMH research building. He appears to be an expert at fixing and repairing things. His home is an old harvesting plow he has been tinkering with with some side effects being sudden explosions from inside the machine. He is visited by Mrs. Brisby who asks for his help in curing her son Timothy. He tells Her that Timothy is suffering from pneumonia and can't be moved for at least 3 weeks, if moved would result in Timothy's death. He has a blue cast on his left leg from an injury caused when he was attempting to flee the farmer’s cat, Dragon, during an unsuccessful attempt to drug the cat.
Role in the Films
The Secret of NIMH
Mr. Ages helps Mrs. Brisby giving her medicine to help her son Timothy recover from pneumonia.
The Secret of NIMH 2: Timmy to the Rescue