Bullet

Bullet is a character appearing in Fallout 4.

Quests
Kid in a Fridge: the Sole Survivor encounters Bullet who offers to buy Billy. If the Sole Survivor declines the offer (or reaches the Peabody House before encountering Bullet) and delivers the child to his parents Bullet will come to their house with 3 additional gunners as back up and demands to be sold/given the child and the parents or you'll have to fight them off. The fight can prove to be rather a doozy as the gunners are surrounding you, have numerical advantage, have energy weapons, and will throw a rather large sum of explosives at you.

Appearances
Bullet appears only in Fallout 4.