Name: David Walker

Alias: Hesh, The Elder Ghost Brother, David-Kun (By Aoi), Walker-Kun (By Ai), Hesh-San (By Ayane), Brother (By Logan)

Voice Actor: Yoshimasa Hosoya (JP), Brandon Routh (EN)

Character Type: Hero, Protagonist

Look:

Age: 23

Nationality: United States of America

Affiliation: Joint Task Force - Ghost Team

Occupation: Soldier

Background: 

David Walker is a soldier of the Joint Task Force - Ghost Team, he is the older brother of Logan Walker. He is a childhood friend of Aoi Harada and Ai Miyashita. Later he and Logan join Task Force to avenge their mother.

David learns his father is ambushed by the Federation, and gets angry about the Federation, he knows what happened to Logan when he awakens his Devil Gene and stops Logan. He was injured before Aoi saved him and brought him to the hospital.

He finds out Logan is alive and heads to Mirei's house. He learns what's happened to Logan and is angry about what they did. Merrick got a new mission for Logan and Hesh to stop Mist and Federation, he joined DOA Tournament to stop the Federation and Kazuya.

Personality:

Relatives: Kind, Caring, Loyal, Smart, Hatred (Sometimes), Angry (Sometimes)

Father: Elias T. Walker

Younger Brother: Logan Walker

Love Interests:

Aoi Harada

Ai Miyashita

Ayane

Kitana

Rena Moriya

Equipment:

SCAR-H (Primary Weapon)

Colt M1911 (Secondary Weapon)

Soul Reaver (Melee Weapon)

Combat Tactical Vest (Body Armor)

Ghost Team Gear (Normal Military Gear)

The Rook (Personalized Military Gear)

Devil Hesh (Devil Form)

Quotes:

- David Walker, codename: Hesh, reports for duty.

- Majima, you are gonna pay for what you did to Chisato!

- Thank you, Aoi. Now let's finish that bastard off together!

- Crossbones... You gonna pay for what you did to my family!

- Hikaru... I won't let you kill Ai again and this is the end for you!

- I do kill people because they are criminals like we are ghosts. We hunt them down in the dark. And bring them to justice.