Describe the brothers in "Wildfire in Manhattan." What takes place when they meet in the beginning of the story?

Lukas (Lucky) Wilde is the lead singer in a rock band called Wildfire. Late one night Lucky runs into his twin brother Brendan who is a Hearth Fire and owns a restaurant called the Flying Pizza. Lucky greets him and is immediately shushed as Brendan points out the two men in overcoats. They are hunters, hunting the gods left over from the last End of the World.