Dogmeat can be found in the scrapyard. Simply go there and acquire him.
Fawkes the Super mutant is found in Vault 87, through Little Lamplight.
Clover (requires evil karma) is obtained from Eulogy Jones in Paradise Falls.
Charon can be bought for 1000 caps at a bar in Underworld.
**there are a few more but I am unsure of their details!
yes
Got milk
Broken steel is already in the regular fallout3 except for Mothership Zeta, The Pitt, Point lookout, and Operation Anchorage.
for pc, yes. for ps3 and xbox360, no.
usually someone will just drop it.
fallout3 IGN goty
by killing an brotherhood outcast npc.
you find it northeast of mdlp power station
yes.
Its a quest but i don't know which one, try looking walkthroughs on youtube.
i think it was between china and America (i think this from operation anchorage) in 2077.
type in the link and it'll show you:http://fallout.wikia.com/wiki/Fort_Independence