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 wasteland."
 * "Welcome to Megaton. Please stand clear of the gate."
 * "Welcome to Megaton. Enjoy your stay."

Appearances
Weld appears only in Fallout 3.

Deputy Weld has also taking the liking of various online boards, such as Gamefaqs and IGN and will often have many topic's consisting on how he is the Chuck Norris of Fallout 3 and he's so tough he'll wish you a good day even if you have incredibly negative Karma