Doan is a long time customer from the town of Burgerburgh. He is a talented graphic designer who Papa Louie hired to design restaurants' branding and menus. Doan is also an accomplished poster artist, and his work can usually be seen hanging in the lobby of Papa's many restaurants.
Doan has a white coat, a black shirt, blue pants with a gray belt, and wide glasses.
- His avatar is based on a college friend of both of Matt Neff and Tony Solary.
- He is the first customer to debut in Papa's Burgeria to have a Flipdeck.
- The burger he holds on his Flipdeck is similar to his order in Papa's Burgeria, but without the pickle.