Harden Simms

Harden Simms, Lucas Simms's 10-year old son, is a good friend of Maggie and is usually seen near Maggie in the mid-morning to late afternoon. He will not say more than a few words to the player unless his father is dead or until after the Megaton bomb's deactivation.

Background
According to the Fallout 3 Official Game Guide, his dad named him after Old West outlaw John Wesley Harden.