Duncan is one of the neighbors of the Greene family. He is mentioned by Maggie to Glenn as one of many walkers to be in the barn.

Pre-Apocalypse

Greene Family Farm

Almost nothing is known about Duncan's life before or as the outbreak began except that he knew the Greene family before the outbreak.

Post-Apocalypse

Duncan was killed sometime after the outbreak. Before his initial reanimation, Otis placed him inside the barn.

Season 2

"Secrets"

While gathering supplies at the pharmacy, Maggie revealed Duncan's identity to Glenn along with the identity of her step-brother, mother, neighbors, and family friends.

"Pretty Much Dead Already"

Toward the end of the episode, Shane unlocks the door of the barn and the group of Atlanta Survivors shoots everyone that was inside. Duncan was killed along with all the other walkers exiting the barn.

"Nebraska"

Duncan's body is seen at the beginning of the episode to the ground and is later is burned.

Death

Killed By

It is unknown if Duncan was bitten and infected by a walker, or died of another cause. Being infected, Hershel orders Otis to place him inside the barn, where he reanimates as a walker.

After Shane forces the barn door to open, the walkers exit the barn and are gunned down by the group including Duncan; it is unknown who actually shot and killed him.

Killed Victims

This list shows the victims that Duncan has killed:

Appearances

TV Series

Season 2

Unnamed or Unseen TV Characters
King County DianeLindaTomFredCindyJudithKingsleyDaniels
KellySarahTyrellSheilaMaryanneHollyMother 1Mother 2Criminal 1Criminal 2Criminal 3
Atlanta Camp Survivor
Nursing Home AbuelaCarlito
Greene Family Farm LaceyDuncanMr. FischerMrs. Fischer
Woodbury Resident 11Resident 1Resident 6MotherResident 2Resident 4Foster DaughterResident 3Resident 8PeteMichaelRobbieGuard 1Guard 3Resident 5Resident 12Resident 7Resident 9Resident 10Mean GuardBobEisenbergGuard 2Governor's Victims
Military Personnel Guardsman 6Guardsman 2Guardsman 4Guardsman 3
Guardsman 5Guardsman 1
Mexican Family FatherMotherSonBaby
Prison Newcomers TeenagerNewcomerWomanMrs. RichardsNoris' SonMr. Richards
Martinez' Camp Resident 1Resident 2Resident 3
Terminus ChuckCynthiaKayleeBroadcasting WomanResident 1GuardCrazed ManResident 2Butcher 1Butcher 2
Abraham's Group WarrenRexJosiahDirkStephanieJosephineRogerPam
Alexandria Safe-Zone Resident 1RosemaryDavidsonPascalTedLucyMayaAdrianParkJeffreyCharlyneO'HaraSamanthaDanDinesh
The Wolves Wolf 1Wolf 4Wolf 3Wolf 2Wolf 5
Hilltop Colony Ms. MaitlinMarshaTimRory
The Saviors J. TopRoySavior 6Savior 7Gracie's FatherSavior 11Savior 10Savior 5Savior 9Savior 8Savior 3Savior 4Savior 2Savior 1Maria
Oceanside Resident 1Resident 2
Animals PigletsHorse
Miscellaneous Characters FrankBrianJeanJerryWilhelmSamJoe Jr.JaneRachelT.ManWomanDennisYoung BoyEnid's MotherEnid's FatherMan 2SurvivorFatherHitchhikerHermitCrightonMrs. BlakeIrmaRed Poncho ManLibrary SurvivorMan 1
Alive characters appear in green. Dead characters appear in red and italics. Unknown characters appear in blue. Undead characters appear in grey and italics.