Wally Mack

 is a resident of Vault 101 in 2277.

Background
Wally is one of the Lone Wanderer's peers in Vault 101. He is encountered throughout the Lone Wanderer's youth.

Relationships
He is a member of the Tunnel Snakes gang. Mr. Mack is the son of Allen and Gloria Mack. Wally's siblings are Steve and Susie. Butch DeLoria and Paul Hannon Jr. are Wally's friends and fellow gang members.

Interactions overview
* Only during the Growing Up Fast and Future Imperfect quests.

Quests

 * Growing Up Fast: Wally attends your 10th birthday party and takes part in discussions leading to the formation of the Tunnel Snakes. He also tells you that "This party's pretty good, I guess. For a little kid.", despite being younger than The Lone Wanderer (as Mack does not yet have his Pip-Boy).
 * Future Imperfect: On August 3, 2274, before the G.O.A.T., Wally and his friends are sexually harassing Amata near the classroom.
 * Trouble on the Homefront: During the rebellion, Wally can be found living in the Lone Wanderer's old room.

Appearances
Wally Mack appears only in Fallout 3.