Battery Powered: +1 to STR, END, INT, PER as long as Energy Weapon ammo is in your inventory, but at a cost of (For example) 2 Energy Cells/3 Secs
Chemo Needed: You have become a font for Radiation! Rad-Away and Rad-X now heal you and cannot die from Radiation Sickness, but the Disadvantages of the different stages of Rad Sickness are doubled and you have a constant rate of +1 Rads/Sec
Natural at This: You were born a natural at combat! During combat you fire faster and more accurately, but XP gain is cut in half. After all, you already know what you are doing!
We Are Legion: While wearing Legion Armor, Rep with Caesar's Legion is automatically put at Idolized and you gain a bonus to weapons used by them. Unfortunately because of your love for the group, you cannot have certain Companions as Followers while wearing the armor.
and some Traits:
Inhuman: You lived near a waste dump earlier in life and it's mutated you. You cannot wear certain armors because of the twisted shape of your body but you get +2 to STR and END and all Two-Handed Melee Weapons deal 10% more Damage.
Rough Childhood: You were born in The Pitt and you learned how to survive there. All one-handed Melee Weapons attack faster and more lethally. You can also now use Scrap Metal as a substitute for other things when crafting.