Deputy Weld

Deputy Weld is a Protectron robot that guards the gate of Megaton. He appears to have been programmed to have a somewhat 'western' personality.

He is also known to ally himself with the player and fight against any hostile creatures that approach the city gate.

Quotes

 * "Welcome to Megaton. The bomb is perfectly safe, we promise. Please hold for threat level assessment. Threat level minimal. Open the gates. Open the gates. Welcome to Megaton." 
 * "Have yourself a nice visit, partner."
 * "Need some grub? Try the Brass Lantern."
 * "Welcome to Megaton. Friendliest town around."
 * "Thirsty, partner? Try Moriarty's. Coldest drinks in the Capital Wasteland."
 * "Welcome to Megaton. Please stand clear of the gate."
 * "Welcome to Megaton. Enjoy your stay."
 * "Have yourself a good stay, partner."
 * "Ya'll better be careful with that thare weapon, Ya hear."

Appearances
Weld appears only in Fallout 3.

Trivia
Deputy Weld has become an internet meme on Gamefaqs' Fallout 3 board, where he has been deicized as the Chuck Norris of Fallout.