Furiuos D is a white racing horse that races at Springfield Downs horse track.
Bart races on him at the Springfield Downs horse track.After the horse loses, Homer gives him a make over and changes his name from Duncan to Furious D. The makeover gives the horse confidence and he wins the race.
Furious D is white with a rainbow mane that includes the colors:blue, purple, yellow,orange and green. He sometimes wears a leather jacket and has a confident attitude.He wears Lisa's bracelet as a nose ring. He intimidates the other horses by headbutting several of them and likes to do a victory dance after he wins.