Jenner

Jenner Genre is a villainous rat who is responsible for the death of Nicodemus.

Jenner schemed to become the leader of the rats. In The Chronicles of Thorn Valley - He was one of the main antagonists (The other being Ratigan). Jenner teamed up with Peg Leg Pete to rule Thorn Valley and get his revenge on Mrs. Brisby and Justin. In the third season finale - Jenner was defeated when Mrs. Jumbo saved her son Dumbo and slap the evil rat away sending him flying over the horizon.