Martin Brisby

Martin Brisby is the strongest and the 2nd eldest child of Mrs. Brisby and a neutral character in The Secret of NIMH and the (former) main antagonist of its 1998 sequel. He is a tough, pessimistic male mouse. He was voiced by Wil Wheaton in the first film, Phillip Van Dyke as an adolescent in the sequel, Eric Idle as an evil young adult, again in the sequel, and Phillip Glasser as a reformed young adult, again in the sequel.

Appearences

 * The Secret of NIMH (1982)
 * The Secret of NIMH 2: Timmy to the Rescue (1998)

The Secret of NIMH
Martin is the second child of the Brisby family who dislikes having Auntie Shrew over their house and is not afraid to yell back at her. He claims that he's not afraid of the dark, the farmer, Dragon (the cat), and the Great Owl.

The Secret of NIMH 2: Timmy to the Rescue
At the beginning of the movie, Martin is very jealous of Timothy Brisbyfor having been selected by Nicodemus as being the future hero when Martin feels he's much more the hero type than his brother. However, while Timmy is studying with the Rats of NIMH in Thorn Valley, Martin is kidnapped by NIMH researcher Dr. Valentine, who leads further experimentations on him, believing him to be a regular mouse. Unbeknownst to him, however, Martin is already the son of a genetically-engineered mouse, and the treatment he subjects him to makes him go completely mad and also evil, while also improving his intelligence to almost superhuman level. Having become a threatening mad scientist, Martin betrays Dr. Valentine and takes over the NIMH laboratory and tools, using them to create an army to take over Thorn Valley. His plan is however foiled by Timothy, Martin having turned out to be the threat Nicodemus's prophecy was referring to. Martin is captured and brought back to Thorn Valley, where the Rats manage to heal the damage done by Valentine's experience and turn him back into his normal, non-evil self.

Voices

 * Wil Wheaton
 * Phillip Van Dyke
 * Eric Idle
 * Phillip Glasser